China National Standards

China forhot GB Standards List

  •  China "forhot" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 18991-2003 Thermoplastics pipes and fittings forhot and cold water systems
    冷热水系统用热塑性塑料管材和管件    		 China National Standards
    forhot
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