GB 21342-2025 Chinese PDF GB 5009.302-2025 tests and test conditions -

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)

268-2025_Chinese: National food safety standard - Determination of multi-elements in foods (Chinese: 食品安全国家标准 食品中多元素的测定)

English versions: GB 45673-2025

English versions: GB/T 15340-2025

English versions: GB/T 21121-2024

GB 21342-2025 Chinese PDF GB 5009.302-2025 tests and test conditions -GB 21342 2025_Chinese: Norm of energy consumption per unit production of coke (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 21342 2025