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)

9-2025_Chinese: Information technology - Biometric sample quality - Part 9: Vascular image data (Chinese: 信息技术 生物特征样本质量 第9部分：血管图像数据)

GB/T 30771-2024_Chinese: Domestic devitroceram (Chinese: 日用玻璃陶瓷)

English versions: GB/T 22283-2025

GB/T 44884-2024_Chinese: Technical requirements for secure user plane location service - Platform (Chinese: 基于用户面的定位业务技术要求 平台)

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