Willemen Infra – Betoncentrale Lummen — Lummen, Belgium
| Certificate Number | 1223-CSC21-2023 | Date of certification | Jan 10, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Vlaams (BE) |
| Client website — Certificate | |||
| Certificate Number | 1223-CSC21-2023 | Date of certification | Jan 10, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Vlaams (BE) |
| Client website — Certificate | |||
| Certificate Number | 1221-CSC21-2023 | Date of certification | Jan 10, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Vlaams (BE) |
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| Certificate Number | 1224-CSC21-2023 | Date of certification | Jan 10, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Vlaams (BE) |
| Client website — Certificate | |||
| Certificate Number | 975-CSC21-2022 | Date of certification | Feb 20, 2023 |
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| Certificate Type | Aggregate | Version | 2.1 Deutsch |
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| Certificate Number | 1991-CSC24-2025 | Date of certification | Nov 14, 2025 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 Deutsch |
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| Certificate Number | 256-CSC21-2021 | Date of certification | Nov 10, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Nederlands |
| Client website — Certificate | |||
| Certificate Number | 1350-CSC21-2023 | Date of certification | Jun 30, 2024 |
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| Certificate Type | Aggregate | Version | 2.1 Deutsch |
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| Certificate Number | 1349-CSC21-2023 | Date of certification | Nov 19, 2024 |
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| Certificate Type | Aggregate | Version | 3.0 Deutsch |
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| Certificate Number | 1818-CSC24-2025 | Date of certification | Dec 15, 2025 |
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| Certificate Type | Aggregate | Version | 3.0 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 1819-CSC24-2025 | Date of certification | Dec 15, 2025 |
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| Certificate Type | Aggregate | Version | 3.0 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 2007-CSC24-2025 | Date of certification | Nov 27, 2025 |
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| Certificate Type | Aggregate | Version | 3.0 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 2005-CSC24-2025 | Date of certification | Nov 27, 2025 |
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| Certificate Type | Aggregate | Version | 3.0 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 2006-CSC24-2025 | Date of certification | Nov 27, 2025 |
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| Certificate Type | Aggregate | Version | 3.0 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 469-CSC21-2023 | Date of certification | Apr 26, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Client website — Certificate — CO₂-Module | |||
| Certificate Number | 665-CSC21-2023 | Date of certification | Apr 26, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Client website — Certificate — CO₂-Module | |||
| Certificate Number | 663-CSC21-2023 | Date of certification | Apr 26, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Client website — Certificate — CO₂-Module | |||
| Certificate Number | 664-CSC21-2023 | Date of certification | Apr 26, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Client website — Certificate — CO₂-Module | |||
| Certificate Number | 1043-CSC21-2023 | Date of certification | May 22, 2023 |
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| Certificate Type | Concrete, Precast | Version | 2.1 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 1477-CSC24-2024-U | Date of certification | Oct 21, 2025 |
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| Certificate Type | Cement | Version | 3.0 English |
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| Certificate Number | 1545-CSC24-2024 | Date of certification | Aug 28, 2024 |
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| Certificate Type | Cement | Version | 3.0 English |
| Client website — Certificate | |||
| Certificate Number | 671-CSC24-2024 | Date of certification | Sep 1, 2024 |
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| Certificate Type | Concrete, Precast | Version | 3.0 English |
| Client website — Certificate | |||
| Certificate Number | 1761-CSC24-2025 | Date of certification | Apr 25, 2025 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 Deutsch |
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| Certificate Number | 308-CSC21-2023 | Date of certification | Nov 1, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Nederlands |
| Client website — Certificate | |||
| Certificate Number | 532-CSC24-2025 | Date of certification | Apr 3, 2025 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 NL |
| Client website — Certificate | |||
| Certificate Number | 1717-CSC24-2024 | Date of certification | Mar 20, 2025 |
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| Certificate Type | Concrete, Precast | Version | 3.0 Deutsch |
| Client website — Certificate | |||