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GB/T 12385-2025_Chinese: Standard test methods for sealability of gaskets for pipe flanges (Chinese: 管法兰用垫片密封性能试验方法)
Note/Careful: Text of PDF is in Chinese (not English)
305-2025_Chinese: National food safety standard - Determination of bisphenol A
GB/T 13523-2024_Chinese: Copper red glaze porcelain (Chinese: 铜红釉瓷器)
English versions: GB 25596-2025
GB 23394-2024 Chinese PDF GB 31616-2025 GB/T 12385-2025_Chinese: Standard test methodsGB 23394 2024_Chinese: Respiratory protection Positive pressure self contained closed circuit compressed oxygen breathing apparatus (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 23394 2024
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