China National Standards

China Manhole glass sight Industry Standards English PDF List

  •  China "Manhole glass sight" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    HG/T 2055.2-2013 Manhole with glass sight for glass-lined vessel
    搪玻璃带视镜人孔    		 China Chemical Industry Standards
    Manhole glass sight
    English PDF

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