China Symbolic designation GB Standards Search Result |
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1. Ready translated GB standards ![]() 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 11874-1989 Direction of opening and Symbolic designation of marine doors and windows - 英文版 |
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GB/T 5825-1986 Symbolic designation of direction of opening and closing and faces of doors and windows - 英文版 |
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