GB/T 22452-2025 Chinese PDF (GB /T22452-2025) GB/T 16702.1-2025 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)

English versions: GB/T 21121-2024

GB 20071-2025_Chinese: The protection of the occupants in the event of a lateral collision (Chinese: 汽车侧面碰撞的乘员保护)

English versions: GB/T 18760-2025

GB/T 19980-2025_Chinese: Textiles - Method for assessing appearance of textile products after domestic washing and drying (Chinese: 纺织品 纺织产品经家庭洗涤和干燥后外观的评价方法)

GB/T 22452-2025 Chinese PDF (GB /T22452-2025) GB/T 16702.1-2025 304-2025_Chinese: National food safety standardGB T 22452 2025_Chinese: General specification of non linear optical borate crystal devices (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 22452 2025