China Assembled spectacles GB Standards Search Result |
1. Ready translated GB standards and Chinese version GB Standards, you can purchase directly in the web page; After receive your payment, we will send the GB Standards PDF file to your Email within
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2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days . |
GB/T 13511.3-2019 Assembled spectacles—Part 3:Single-vision near-vision spectacles - 英文版 |
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GB 13511.2-2011 Assembled spectacles - Part 2:Progressive power - 英文版 |
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GB 13511.1-2011 Assembled spectacles - Part 1: Single-vision and multifocal - 英文版 |
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