GB/T 45386.1-2025 Chinese PDF (GB /T45386.1-2025) GB/T 44933-2024 English versions: GB/T 34874

English versions: GB/T 34874

39-2025_Chinese: Requirements of the greenhouse gas emissions accounting and reporting - Part 39: Calcined gypsum enterprises (Chinese: 温室气体排放核算与报告要求 第39部分：建筑石膏生产企业)

English versions: GB/T 45427-2025

GB/T 2684-2025_Chinese: Test methods for foundry sands and molding mixtures (Chinese: 铸造用砂及混合料试验方法)

GB/T 45386.1-2025 Chinese PDF (GB /T45386.1-2025) GB/T 44933-2024 English versions: GB/T 34874GB T 45386. 1 2025_Chinese: Electrochemical technical specification for industrial wastewater treatment Part 1: General (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45386. 1 2025