China National Standards

China Wet spiral Industry Standards English PDF List

  •  China " Wet spiral" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    HG/T 21549.4-1995 (Wet spiral steel low pressure gas tank standards)
    钢制低压湿式螺旋气柜标准(附编制说明)    		 China Chemical Industry Standards
    Wet spiral
    English PDF

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