GB/T 41869.3-2024 Chinese PDF (GB /T41869.3-2024) GB/T 22322.1-2025 GB/T 30565-2025_Chinese: Non-destructive testing -

GB/T 30565-2025_Chinese: Non-destructive testing - Eddy current testing - General principles (Chinese: 无损检测 涡流检测 总则)

GB/T 23301-2024_Chinese: Cast aluminum alloys for automobile wheels (Chinese: 汽车车轮用铸造铝合金)

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)

English versions: GB/T 15972

GB/T 41869.3-2024 Chinese PDF (GB /T41869.3-2024) GB/T 22322.1-2025 GB/T 30565-2025_Chinese: Non-destructive testing -GB T 41869. 3 2024_Chinese: Optics and photonics Microlens arrays Part 3: Test methods for optical properties (Chinese: 3) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 41869. 3 2024