GB/T 623-2024 Chinese PDF (GB/T623-2024) GB/T 45395-2025 GB/T 29712-2023_Chinese: Non-destructive testing of

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)

11-2024_Chinese: Aquatic feed - Part 11: Formula feed for loach (Chinese: 水产配合饲料 第11部分：泥鳅配合饲料)

GB/T 30966

GB/T 45307-2025_Chinese: Opto-electronic measurement - Test methods for main parameters of LiDAR in intelligent operation (Chinese: 光电测量 智能操控类激光雷达主要参数测试方法)

English versions: GB/T 45502-2025

GB/T 623-2024 Chinese PDF (GB/T623-2024) GB/T 45395-2025 GB/T 29712-2023_Chinese: Non-destructive testing ofGB 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