China Method of determinin 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 9862-1988 Method for determining the speed and average gradient of black-and-white aerial camera films 黑白航空照相胶片感光度和平均斜率测定方法 - 英文版 |
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GB/T 6843-1986 Method for determining the coating melting point of photographic materials 感光材料涂层熔点测定方法 - 英文版 |
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