GB/T 4213-2024 Chinese PDF (GB /T4213-2024) GB/T 15237-2025 English versions: GB/T 4340

English versions: GB/T 4340

GB/T 18936-2025_Chinese: Diagnostic techniques for avian influenza (Chinese: 禽流感诊断技术)

GB/T 3029-2025_Chinese: Technical specification for ships'ventilation accessories (Chinese: 船用通风附件技术条件)

6-2024_Chinese: Technical requirements of dry process cement production complete equipment - Part 6: Desulphurization system (Chinese: 新型干法水泥生产成套装备技术要求 第6部分：脱硫系统)

English versions: GB/T 21369-2024

GB/T 4213-2024 Chinese PDF (GB /T4213-2024) GB/T 15237-2025 English versions: GB/T 4340GB T 4213 2024_Chinese: Pneumatic control valves (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4213 2024