GB/T 21413.3-2023 Chinese PDF (GB/T21413.3-2023) GB 28008-2024 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 44504-2024

English versions: GB/T 33798-2025

English versions: GB/T 26794-2023

2-2023_Chinese: Acrylic acid and acrylates for industrial use - Part 2: Methyl acrylate for industrial use (Chinese: 工业用丙烯酸及酯 第2部分：工业用丙烯酸甲酯)

GB/T 21413.3-2023 Chinese PDF (GB/T21413.3-2023) GB 28008-2024 2-2025_Chinese: Assembled spectacles - PartGB T 21413. 3 2023_Chinese: Railway applications Electric equipment for rolling stock Part 3: Electrotechnical components Rules for DC circuit breakers (Chinese: 3 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 21413. 3 2023