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English versions: GB/T 29301-2024
GB 23394-2024_Chinese: Respiratory protection - Positive pressure self-contained closed-circuit compressed oxygen breathing apparatus (Chinese: 呼吸防护 正压式自给闭路压缩氧气呼吸器)
English versions: GB 4789
tests and test conditions - Part 41: Energy registration methods and requirements for multi-energy and multi-rate meters (Chinese: 电测量设备 通用要求、试验和试验条件 第41部分：多电能和多费率仪表的电能计度方法和要求)
GB 7512-2023 Chinese PDF GB/T 38178.1-2025 English versions: GB/T 29301-2024GB 7512 2023_Chinese: Valves for liquefied petroleum gas cylinders (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 7512 2023
