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English versions: GB/T 36287
and the use of cast irons (Chinese: 石油天然气工业 油气开采中用于含硫化氢环境的材料 第2部分：抗开裂碳钢、低合金钢和铸铁)
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 31968-2025
GB/T 43590.507-2025 Chinese PDF (GB /T43590.507-2025) GB/T 42567.4-2025 English versions: GB/T 36287GB T 43590. 507 2025_Chinese: Laser display devices Part 5 7: Measuring methods of image quality affected by speckle for scanning laser displays (Chinese: 5 7) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 43590. 507 2025
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