GB/T 12357.1-2024 Chinese PDF (GB /T12357.1-2024) GB/T 12357.1-2024 304-2025_Chinese: National food safety standard

304-2025_Chinese: National food safety standard - Determination of trivalent chromium and hexavalent chromium in foods (Chinese: 食品安全国家标准 食品中三价铬和六价铬的测定)

1编码规则 第1部分:基本编码规则（BER）、正则编码规则（CER）和非典型编码规则（DER）规范)

3-2025_Chinese: Types and dimensions of lamp caps - Part 3: Prefocus caps (Chinese: 灯头的型式和尺寸 第3部分：预聚焦式灯头)

GB/T 16254-2024_Chinese: Mohair (Chinese: 马海毛)

English versions: GB 39800

GB/T 12357.1-2024 Chinese PDF (GB /T12357.1-2024) GB/T 12357.1-2024 304-2025_Chinese: National food safety standardGB T 12357. 1 2024_Chinese: Multimode optical fibres for telecommunication Part 1: Sectional specification for category A1 multimode fibres (Chinese: 1A1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 12357. 1 2024