China Aviation lubricating 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
1~3 days.
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 439-1990 Aviation jet engine lubricating oils 航空喷气机润滑油 - 英文版 |
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GB 440-1977 Aviation lubricating oil No.20 20号航空润滑油 - 英文版 |
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