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GB/T 44996-2024_Chinese: General technical requirements for bag forming
GB/T 20236-2025_Chinese: Accelerated outdoor weathering test methods for nonmetallic materials using concentrated natural sunlight (Chinese: 非金属材料的聚光加速户外暴露试验方法)
English versions: GB/T 45143-2024
English versions: GB/T 45373-2025
English versions: GB/T 45165-2024
GB 28931-2024 Chinese PDF GB/T 45523.2-2025 GB/T 44996-2024_Chinese: General technical requirementsGB 28931 2024_Chinese: Hygienic requirements for chlorine dioxide disinfectant generator (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 28931 2024
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