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International Standard Category: Cement. Gypsum. Lime. Mortar

GB/T 2847-2005    Pozzolanic materials used for cement production
用于水泥中的火山灰质混合材料;
Category No.:91.100.10 Valid Status:superseded
Issued Organization:AQSIQ Issued Date:2005-8-9
Implemented Date:2006-3-1 Abolished Date:
Superseded Standard.:GB/T 2847-2022 Pozzolanic materials used for cement production
Superseded Date:2023-7-1
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