GB/T 42143-2022 Chinese PDF (GB/T42143-2022) GB/T 45448-2025 2-2025_Chinese: Acoustics - Measurement of

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)

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)

GB/T 45353-2025_Chinese: Guideline for quality grading of consumer products - Household electrical appliances (Chinese: 消费品质量分级导则 家用电器)

English versions: GB/T 21200-2024

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

GB/T 42143-2022 Chinese PDF (GB/T42143-2022) GB/T 45448-2025 2-2025_Chinese: Acoustics - Measurement ofGB 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