China National Standards

China Purchase specification heating, Industry Standards English PDF List

  •  China "Purchase specification heating," Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    HG/T 20697-2007 Purchase specification on heating, ventilating and air conditioning equipment for chemical plant
    化工暖通空调设备采购规定    		 China Chemical Industry Standards
    Purchase specification heating,
    English PDF

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