GB 4789.38-2025 Chinese PDF GB/T 22252-2024 GB/T 20243

GB/T 20243

GB 26386-2025_Chinese: General safety specification for incense products (Chinese: 燃香类产品安全通用技术条件)

English versions: GB/T 22248-2025

3-2025_Chinese: Non-destructive testing - Ultrasonic testing block - Part 3: Calibration block for curved surface (Chinese: 无损检测 超声检测试块 第3部分：曲面检测标准试块)

GB/T 17670-2025_Chinese: Unified coding for natural stone (Chinese: 天然石材统一编号)

GB 4789.38-2025 Chinese PDF GB/T 22252-2024 GB/T 20243GB 4789. 38 2025_Chinese: National food safety standard Food microbiological examination Counting of Escherichia Coli (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 4789. 38 2025