GB/T 23561.12-2024 Chinese PDF (GB/T23561.12-2024) YY/T 1946-2024 English versions: GB/T 10810

English versions: GB/T 10810

English versions: GB/T 18849-2023

English versions: GB 43631-2023

9-2025_Chinese: Technical specification for animal genetic resource survey - Part 9: Poultry (Chinese: 畜禽遗传资源调查技术规范 第9部分：家禽)

English versions: GB/T 45129-2025

GB/T 23561.12-2024 Chinese PDF (GB/T23561.12-2024) YY/T 1946-2024 English versions: GB/T 10810GB T 23561. 12 2024_Chinese: Methods for determining the physical and mechanical properties of coal and rock Part 12: Method for the determination coal hardiness coefficients (Chinese: 12 : ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 23561. 12 2024