Oosterweilanden BV — Vriezenveen, Netherlands
| Certificate Number | 1001-CSC21-2023 | Date of certification | May 15, 2023 |
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| Certificate Type | Aggregate | Version | 2.1 English |
| Client website — Certificate | |||
| Certificate Number | 1001-CSC21-2023 | Date of certification | May 15, 2023 |
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| Certificate Type | Aggregate | Version | 2.1 English |
| Client website — Certificate | |||
| Certificate Number | 657-CSC24-2024 | Date of certification | Jul 24, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 NL |
| Client website — Certificate | |||
| Certificate Number | 788-CSC24-2025 | Date of certification | Apr 28, 2025 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 721-CSC24-2025 | Date of certification | Apr 28, 2025 |
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| Certificate Type | Aggregate | Version | 3.0 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 351-CSC21-2022 | Date of certification | Jan 1, 2023 |
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| Certificate Type | Aggregate | Version | 2.1 English |
| Certificate | |||
| Certificate Number | 1079-CSC21-2023 | Date of certification | Sep 4, 2023 |
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| Certificate Type | Concrete, Precast | Version | 2.1 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 342-CSC21-2023 | Date of certification | Apr 27, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Nederlands |
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| Certificate Number | 1980-CSC24-2025 | Date of certification | Nov 6, 2025 |
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| Certificate Type | Concrete, Precast | Version | 3.0 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 393-CSC21-2023 | Date of certification | Mar 27, 2023 |
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| Certificate Type | Aggregate | Version | 2.1 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 80-CSC21-2023 | Date of certification | Dec 14, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Certificate — R-Module | |||
| Certificate Number | 1955-CSC24-2025 | Date of certification | Nov 5, 2025 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 1670-CSC24-2024 | Date of certification | Feb 6, 2025 |
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| Certificate Type | Cement | Version | 3.0 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 385-CSC21-2023 | Date of certification | Mar 27, 2023 |
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| Certificate Type | Aggregate | Version | 2.1 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 690-CSC24-2024 | Date of certification | Nov 4, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 596-CSC24-2024 | Date of certification | May 25, 2024 |
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| Certificate Type | Cement | Version | 3.0 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 542-CSC24-2025 | Date of certification | Jun 1, 2025 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 English |
| Certificate — CO₂-Module | |||
| Certificate Number | 1746-CSC24-2025 | Date of certification | Feb 25, 2025 |
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| Certificate Type | Concrete, Precast | Version | 3.0 English |
| Client website — Certificate | |||
| Certificate Number | 1768-CSC24-2025 | Date of certification | Apr 29, 2025 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 English |
| Certificate | |||
| Certificate Number | 628-CSC24-2024 | Date of certification | Jul 29, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 Deutsch |
| 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 |
| Certificate | |||
| Certificate Number | 1707-CSC24-2024 | Date of certification | Apr 2, 2025 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 English |
| Client website — Certificate | |||
| Certificate Number | 112-CSC24-2024 | Date of certification | Aug 25, 2024 |
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| Certificate Type | Concrete, Precast | Version | 3.0 English |
| Client website — Certificate | |||
| Certificate Number | 1159-CSC21-2023 | Date of certification | Jun 12, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Client website — Certificate — CO₂-Module | |||
| Certificate Number | 1758-CSC24-2025 | Date of certification | Feb 25, 2025 |
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| Certificate Type | Concrete, Precast | Version | 3.0 English |
| Certificate | |||
| Certificate Number | 250-CSC24-2025 | Date of certification | Nov 1, 2025 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 NL |
| Client website — Certificate | |||