China National Standards

China Buried spirally wound Industry Standards English PDF List

  •  China "Buried spirally wound" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    QB/T 2783-2006 Buried spirally wound steelreinforced plastic pipes for sewerage engineering
    埋地钢塑复合缠绕排水管材    		 China Light Industry Standards
    Buried spirally wound
    English PDF

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