GB/T 22452-2025 Chinese PDF (GB /T22452-2025) GB/T 19701.5-2024 GB/T 17643-2025_Chinese: Geosynthetics - Polyethylene

GB/T 17643-2025_Chinese: Geosynthetics - Polyethylene geomembrane (Chinese: 土工合成材料 聚乙烯土工膜)

English versions: GB 45189-2025

Canonical Encoding Rules(CER) and Distinguished Encoding Rules(DER) (Chinese: 信息技术 ASN

4-2025_Chinese: Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants - Part 4: Class 3 components (Chinese: 压水堆核电厂核岛机械设备设计规范 第4部分：3级设备)

English versions: GB/T 24438

GB/T 22452-2025 Chinese PDF (GB /T22452-2025) GB/T 19701.5-2024 GB/T 17643-2025_Chinese: Geosynthetics - PolyethyleneGB T 22452 2025_Chinese: General specification of non linear optical borate crystal devices (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 22452 2025