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GB 31648-2025_Chinese: National food safety standard - Code for pollution control of dioxins and polychlorinated biphenyls in food (Chinese: 食品安全国家标准 食品中二噁英及多氯联苯污染控制规范)
GB/T 20244-2025_Chinese: Fiber optic elements for image transmission (Chinese: 光学纤维传像元件)
English versions: GB 15093-2025
English versions: GB/T 22369-2024
GB/T 1634.1-2025 Chinese PDF (GB /T1634.1-2025) GB/T 12540-2024 GB 31648-2025_Chinese: National food safetyGB T 1634. 1 2025_Chinese: Plastics Determination of temperature of deflection under load Part 1: General test method (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 1634. 1 2025
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