China Fire couoling -- Par GB Standards Search Result |
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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 12514.1-2005 Fire couoling -- Part 1: General technical conditions for fire coupling 消防接口 第1部分：消防接口通用技术条件 - 中英文版 |
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