China Direct blue B(Direct 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 1650-2009 Direct blue B(Direct sky blue 5B) 直接蓝B(直接湖蓝5B) - 中英文版 |
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