GB/T 19183.1-2024 Chinese PDF (GB /T19183.1-2024) GB/T 14124-2024 GB/T 17817-2024_Chinese: Determination of vitamin

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)

2-2025_Chinese: Assembled spectacles - Part 2: Power-variation prescription assembled spectacles (Chinese: 配装眼镜 第2部分：渐变焦定配眼镜)

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)

61-2025_Chinese: National food safety standard - Food contact materials and products - Determination of migration of 2

English versions: GB/T 12417

GB/T 19183.1-2024 Chinese PDF (GB /T19183.1-2024) GB/T 14124-2024 GB/T 17817-2024_Chinese: Determination of vitaminGB 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