GB/T 17626.30-2023 Chinese PDF (GB/T17626.30-2023) GB/T 17643-2025 2-2025_Chinese: Assembled spectacles - Part

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)

English versions: GB/T 13305-2024

English versions: GB/T 45644-2025

using tansgeic tg(cyp19a1b: GFP) zebrafish embryos (Chinese: 化学品 EASZY试验 利用转基因 tg（cyp19a1b：GFP）斑马鱼胚胎通过雌激素受体检测内分泌活性物质)

N-dimethylformamide in toys and children's products - Gas chromatography-mass spectrometry (Chinese: 玩具及儿童用品材料中N

GB/T 17626.30-2023 Chinese PDF (GB/T17626.30-2023) GB/T 17643-2025 2-2025_Chinese: Assembled spectacles - PartGB T 17626. 30 2023_Chinese: Electromagnetic compatibility Testing and measurement techniques Part 30: Power quality measurement methods (Chinese: 30) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 17626. 30 2023