GB/T 44914-2024 Chinese PDF (GB /T44914-2024) GB/T 3543.6-2025 English versions: GB/T 21199-2024

English versions: GB/T 21199-2024

English versions: GB 10770-2025

GB 20943-2025_Chinese: Minimum allowable values of energy efficiency and energy efficiency grades for AC-DC and AC-AC power supplies (Chinese: 交流-直流和交流-交流电源能效限定值及能效等级)

English versions: GB 4789

GB/T 22107-2025_Chinese: Pneumatic fluid power - Directional control valves - Measurement of shifting time (Chinese: 气动 方向控制阀 切换时间的测量)

GB/T 44914-2024 Chinese PDF (GB /T44914-2024) GB/T 3543.6-2025 English versions: GB/T 21199-2024GB T 44914 2024_Chinese: Hetianyu grading (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 44914 2024