China National Standards

China Fired roofing tiles GB Standards List

  •  China "Fired roofing tiles" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 21149-2019 Fired roofing tiles
    烧结瓦    		 China National Standards
    Fired roofing tiles
    English PDF
    GB/T 21149-2007 Fired roofing tiles
    烧结瓦    		 China National Standards
    Fired roofing tiles
    English PDF

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