China Overhead projectors GB Standards Search Result |
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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 . |
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GB/T 27509-2011 Overhead projectors - Projection stages dimensions 透射式投影器 投影台尺寸 - 英文版 |
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GB/T 22149-2008 Overhead projectors - Methods for measuring performance characteristics 透射式投影器 性能特性测定方法 - 英文版 |
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