GB 5009.42-2025 Chinese PDF GB 45549-2025

GB 5009.42-2025 Chinese PDF GB 45549-2025GB 5009. 42 2025_Chinese: National food safety standard Determination of salt index (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 5009. 42 2025

GB/T 12357

English versions: GB 31604

12-2025_Chinese: Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing

English versions: GB 10408-2025

English versions: GB 19053-2024

English versions: GB/T 12357

7-2024_Chinese: Methods for chemical analysis of silver - Part 7: Determination of gold and palladium content - Inductively coupled plasma emission spectrometry (Chinese: 银化学分析方法 第7部分：金、钯量的测定 电感耦合等离子体发射光谱法)

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/T 17670-2025_Chinese: Unified coding for natural stone (Chinese: 天然石材统一编号)

English versions: GB 45189-2025

English versions: GB 17741-2025

4-四甲基-1