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GB/T 45344-2025_Chinese: General technical requirements for fabricated and prefabricated gas piping used in buildings (Chinese: 建筑用装配式预制燃气管道通用技术条件)
Note/Careful: Text of PDF is in Chinese (not English)
English versions: GB/T 9489-2024
English versions: GB/T 2077-2023
English versions: GB/T 29168
GB/T 21267-2024 Chinese PDF (GB/T21267-2024) GB/T 44971-2024 GB/T 45344-2025_Chinese: General technical requirementsGB T 21267 2024_Chinese: Petroleum and natural gas industries Procedures for testing casing and tubing connections (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 21267 2024
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