GB/T 19267.1-2023 Chinese PDF (GB/T19267.1-2023) GB/T 15558.5-2023 307-2025_Chinese: National food safety standard

307-2025_Chinese: National food safety standard - Determination of formaldehyde in foods (Chinese: 食品安全国家标准 食品中甲醛的测定)

3-2025_Chinese: Norm of water intake for industry in the Yellow River basin - Part 3: Coal to olefin (Chinese: 黄河流域工业用水定额 第3部分：煤制烯烃)

English versions: GB/T 10059-2023

GB/T 26958

GB/T 19267.1-2023 Chinese PDF (GB/T19267.1-2023) GB/T 15558.5-2023 307-2025_Chinese: National food safety standardGB T 19267. 1 2023_Chinese: Forensic sciences Physical and chemical examination of trace evidence Part 1: Infrared absorption spectrometry (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 19267. 1 2023