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International Standard Category: Cement. Gypsum. Lime. Mortar

GB/T 38139-2019    Test methods for liquid raw materials of cement grinding aids—Gas chromatography
水泥助磨剂生产用液体原材料成分测定方法 气相色谱法 ;
Category No.:91.100.10 Valid Status:valid
Issued Organization:SAMR and SAC Issued Date:2019-10-18
Implemented Date:2020-9-1 Abolished Date:
Superseded Standard.: Superseded Date:
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