GB/T 19183.1-2024 Chinese PDF (GB /T19183.1-2024) GB/T 14124-2024 137-2025_Chinese: National food safety standard

137-2025_Chinese: National food safety standard - Determination of antimony in foods (Chinese: 食品安全国家标准 食品中锑的测定)

GB/T 17817-2024_Chinese: Determination of vitamin A in feeds - High performance liquid chromatography (Chinese: 饲料中维生素A的测定 高效液相色谱法)

31-2025_Chinese: National food safety standard - Food contact materials and products - Determination of residual and migration of vinyl chloride

5-2025_Chinese: National food safety standard - Determination of protein in food (Chinese: 食品安全国家标准 食品中蛋白质的测定)

2-2024_Chinese: Devices and integration in enterprise systems - Function blocks(FB) for process control and electronic device description language(EDDL) - Part 2: Specification of FB concept (Chinese: 企业系统中的设备和集成 过程控制用功能块（FB）和电子设备描述语言（EDDL） 第2部分：FB概念规范)

GB/T 19183.1-2024 Chinese PDF (GB /T19183.1-2024) GB/T 14124-2024 137-2025_Chinese: National food safety standardGB T 19183. 1 2024_Chinese: Mechanical structures for electrical and electronic equipment Outdoor enclosures Part 1: Design guidelines (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 19183. 1 2024