GB/T 29712-2023 Chinese PDF (GB/T29712-2023) GB/T 17821-2025 GB/T 14600-2025_Chinese: Electronic gas -

GB/T 14600-2025_Chinese: Electronic gas - Nitrous oxide (Chinese: 电子气体 一氧化二氮)

GB/T 45607-2025_Chinese: Ships and marine technology - Ship's mooring and towing fittings - Seats for mooring chocks (Chinese: 船舶与海上技术 船舶系泊和拖带设备 系泊导缆孔底座)

English versions: GB/T 22285-2025

English versions: GB 20464-2024

GB 20072-2024_Chinese: The requirements of safety in the event of rear-end collision for passenger car (Chinese: 乘用车后碰撞安全要求)

GB/T 29712-2023 Chinese PDF (GB/T29712-2023) GB/T 17821-2025 GB/T 14600-2025_Chinese: Electronic gas -GB T 29712 2023_Chinese: Non destructive testing of welds Ultrasonic testing Acceptance levels (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 29712 2023