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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 21252-2023_Chinese: Norm of energy consumption for unit production of architecture and sanitary ceramics and alumina grinding ball (Chinese: 建筑卫生陶瓷和耐磨氧化铝球单位产品能源消耗限额)
GB/T 45497-2025_Chinese: Motor vehicle product recall - Guidelines for manufacturers (Chinese: 汽车产品召回 生产者指南)
GB/T 45111-2024_Chinese: Quality control guidelines for layer of protection analysis (LOPA)
English versions: GB 21257-2024
YY/T 0109-2024 Chinese PDF (YY /T0109-2024) GB/T 45565-2025 tests and test conditions -YY T 0109 2024_Chinese: Medical ultrasonic nebulizer (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: YY T 0109 2024
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US$ 29.00
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US$ 244.95
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US$ 45.00
