China National Standards

China Fire coupling 4: GB Standards List

  •  China "Fire coupling 4:" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB 12514.4-2006 Fire coupling - Part 4: Patterns and basic parameters for fire screw-type coupling
    消防接口 第4部分：螺纹式消防接口型式和基本参数    		 China National Standards
    Fire coupling 4:
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