GB/T 42143-2022 Chinese PDF (GB/T42143-2022) GB/T 45448-2025 GB/T 30547-2023_Chinese: Filter resistor for

GB/T 30547-2023_Chinese: Filter resistor for high voltage direct current (HVDC) transmission system (Chinese: 高压直流输电系统滤波器用电阻器)

2-2025_Chinese: Acoustics - Measurement of the influence of road surfaces on traffic noise - Part 2: The close-proximity method (Chinese: 声学 道路表面对交通噪声影响的测量 第2部分：近距法)

1-2024_Chinese: Methods for chemical analysis of lithium carbonate

8-2024_Chinese: Aquatic feed - Part 8: Formula feed for basa catfish (Chinese: 水产配合饲料 第8部分：巴沙鱼配合饲料)

21-2024_Chinese: Requirements of greenhouse gas emissions accounting and reporting - Part 21: Foundry enterprise (Chinese: 温室气体排放核算与报告要求 第21部分：铸造企业)

GB/T 42143-2022 Chinese PDF (GB/T42143-2022) GB/T 45448-2025 GB/T 30547-2023_Chinese: Filter resistor forGB T 42143 2022_Chinese: Specification for design and construction of steel containment vessel of pressurized water reactor nuclear power plant (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 42143 2022