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English versions: GB/T 30662-2024
GB/T 21267-2024_Chinese: Petroleum and natural gas industries - Procedures for testing casing and tubing connections (Chinese: 石油天然气工业 套管及油管螺纹连接试验程序)
GB/T 45061-2024_Chinese: Frozen fish fillets (Chinese: 冻鱼片)
English versions: GB/T 311
GB/T 13217
GB/T 34120-2023 Chinese PDF (GB/T34120-2023) GB/T 45121-2024 English versions: GB/T 30662-2024GB T 34120 2023_Chinese: Technical requirements for power conversion system of electrochemical energy storage system (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 34120 2023
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