GB/T 623-2024 Chinese PDF (GB/T623-2024) GB/T 45395-2025 GB/T 42222-2022_Chinese: Laboratory glassware -

GB/T 42222-2022_Chinese: Laboratory glassware - Testing method and classification of optical uniformity (Chinese: 玻璃仪器 光学均匀性测试方法与分级)

GB/T 30966

GB/T 29712-2023_Chinese: Non-destructive testing of welds - Ultrasonic testing - Acceptance levels (Chinese: 焊缝无损检测 超声检测 验收等级)

2-2024_Chinese: Technical specifications for driving safety test environment for intelligent and connected vehicles - Part 2: Semi-open road (Chinese: 智能网联汽车运行安全测试环境技术条件 第2部分：半开放道路)

GB/T 44962-2024_Chinese: Grain and oil machinery - Wheat debranner (Chinese: 粮油机械 小麦剥皮机)

GB/T 623-2024 Chinese PDF (GB/T623-2024) GB/T 45395-2025 GB/T 42222-2022_Chinese: Laboratory glassware -GB T 623 2024_Chinese: Chemical reagent Perchloric acid (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 623 2024