Kijlstra Betonmortel Drachten — Drachten, Netherlands
| Certificate Number | 376-CSC21-2023 | Date of certification | Nov 15, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Nederlands |
| Client website — Certificate — R-Module | |||
| Certificate Number | 376-CSC21-2023 | Date of certification | Nov 15, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Nederlands |
| Client website — Certificate — R-Module | |||
| Certificate Number | 372-CSC24-2025 | Date of certification | Feb 13, 2026 |
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| Certificate Type | Cement | Version | 3.0 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 371-CSC21-2023 | Date of certification | Nov 30, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 English |
| Client website — Certificate | |||
| Certificate Number | 369-CSC24-2025 | Date of certification | Dec 17, 2025 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 368-CSC24-2025 | Date of certification | Dec 17, 2025 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 367-CSC24-2025 | Date of certification | Dec 17, 2025 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 Deutsch |
| Client website — Certificate — R-Module — CO₂-Module | |||
| Certificate Number | 366-CSC24-2024 | Date of certification | Oct 4, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 English |
| Client website — Certificate | |||
| Certificate Number | 365-CSC24-2024 | Date of certification | Oct 4, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 English |
| Client website — Certificate | |||
| Certificate Number | 364-CSC24-2024 | Date of certification | Oct 4, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 English |
| Client website — Certificate | |||
| Certificate Number | 363-CSC24-2024 | Date of certification | Oct 4, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 English |
| Client website — Certificate | |||
| Certificate Number | 362-CSC24-2024 | Date of certification | May 31, 2024 |
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| Certificate Type | Aggregate | Version | 3.0 English |
| Client website — Certificate | |||
| Certificate Number | 360-CSC24-2024 | Date of certification | Oct 4, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 English |
| Client website — Certificate | |||
| Certificate Number | 357-CSC24-2025 | Date of certification | Dec 27, 2025 |
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| Certificate Type | Aggregate | Version | 3.0 English |
| Client website — Certificate | |||
| Certificate Number | 354-CSC24-2025 | Date of certification | Dec 27, 2025 |
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| Certificate Type | Aggregate | Version | 3.0 English |
| Certificate | |||
| Certificate Number | 353-CSC24-2025 | Date of certification | Dec 27, 2025 |
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| Certificate Type | Aggregate | Version | 3.0 English |
| Certificate | |||
| Certificate Number | 351-CSC24-2025 | Date of certification | Dec 27, 2025 |
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| Certificate Type | Aggregate | Version | 3.0 English |
| Certificate | |||
| Certificate Number | 348-CSC21-2023 | Date of certification | Dec 16, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Nederlands |
| Client website — Certificate | |||
| Certificate Number | 341-CSC24-2025 | Date of certification | Dec 13, 2025 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 NL |
| Client website — Certificate | |||
| Certificate Number | 338-CSC24-2025 | Date of certification | Feb 13, 2026 |
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| Certificate Type | Cement | Version | 3.0 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 337-CSC24-2024 | Date of certification | May 2, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 English |
| Client website — Certificate | |||
| Certificate Number | 336-CSC24-2024 | Date of certification | Apr 11, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 English |
| Client website — Certificate | |||
| Certificate Number | 334-CSC24-2024 | Date of certification | Apr 11, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 English |
| Client website — Certificate | |||
| Certificate Number | 331-CSC21-2023 | Date of certification | Nov 21, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 330-CSC24-2026 | Date of certification | Mar 18, 2026 |
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| Certificate Type | Aggregate | Version | 3.0 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 329-CSC24-2025 | Date of certification | Dec 16, 2025 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 Deutsch |
| Client website — Certificate — R-Module — CO₂-Module | |||