GB/T 13894-2023 Chinese PDF (GB/T13894-2023) GB/T 45300-2025 English versions: GB/T 16716

English versions: GB/T 16716

GB/T 45593-2025_Chinese: Fine ceramics - Determination of the abrasion resistance of coatings by micro-scale abrasion test (Chinese: 精细陶瓷 微磨损试验测定涂层的耐磨性)

1-2025_Chinese: Technical specification of energy absorption device for high voltage direct current(HVDC) power transmission - Part 1: DC controllable and self-recovery energy absorption device (Chinese: 高压直流输电用消能装置技术规范 第1部分：直流可控自恢复消能装置)

2-2024_Chinese: Cardiovascular implants - Cardiac valve prostheses - Part 2: Surgically implanted heart valve substitutes (Chinese: 心血管植入器械 人工心脏瓣膜 第2部分：外科植入式人工心脏瓣膜)

3-2023_Chinese: Buried polyethylene(PE) piping systems for the supply of gaseous fuels - Part 3: Fittings (Chinese: 燃气用埋地聚乙烯（PE）管道系统 第3部分：管件)

GB/T 13894-2023 Chinese PDF (GB/T13894-2023) GB/T 45300-2025 English versions: GB/T 16716GB T 13894 2023_Chinese: Petroleum and liquid petroleum products Level measurement Manual methods (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 13894 2023