China National Standards

China preliminary work production Industry Standards English PDF List

  •  China "preliminary work production" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    HGJ 232-1992 Code for preliminary work of production of chemical large and and medium plant pipeline
    化学工业大、中型装置生产准备工作规范    		 China Chemical Industry Standards
    preliminary work production
    English PDF

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