GB/T 37190-2023 Chinese PDF (GB/T37190-2023) GB/T 21336.1-2023 GB/T 17727-2024_Chinese: Nonmetal material gaskets

GB/T 17727-2024_Chinese: Nonmetal material gaskets for marine flange (Chinese: 船用法兰非金属垫片)

GB/T 23506-2025_Chinese: The gas-fuel power set for oil pruduction drilling site (Chinese: 石油采油井场燃气动力机组)

English versions: GB/T 13284-2025

English versions: GB/T 45521-2025

8-2025_Chinese: Test methods of rare earth phosphors for LED - Part 8: Determination of pressure cooker test property (Chinese: LED用稀土荧光粉试验方法 第8部分：高压加速老化性能的测定)

GB/T 37190-2023 Chinese PDF (GB/T37190-2023) GB/T 21336.1-2023 GB/T 17727-2024_Chinese: Nonmetal material gasketsGB T 37190 2023_Chinese: Pipeline corrosion control engineering life cycle General requirements (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 37190 2023