HG/T 第214页 - 在线标准查询

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HG/T 21514-2014 代替 HG/T 21514-2005 钢制人孔和手孔的类型与技术条件

HG/T 21514-2014.Technical specification of steel manholes and handholes.1总则1.0.1...

HG/T 20708-2011.Technical regulation of reinforced cushion for chemical construc...

HG/T 20700-2014.Engineering design code for programmable logic controller.1总则1.0...

HG/T 21521-2014.Welding neck flange manholes with davit to vertical cover.1总则1.0...

HG/T 21520-2014.Slip on flange manholes with davit to vertical cover.1总则1.0.1 为了...

HG/T 21518-2014.Welding neck flange manholes with hinged cover.1总则1.0.1 为了规范回转盖带...

HG/T 21519-2014.Plate flange manholes with davit to vertical cover.1总则1.0.1为了规范垂...

HG/T 21517-2014.Slip on flange manholes with hinged cover.1总则1.0.1为了规范回转盖带颈平焊法兰人...

HG/T 21526-2014.Elliptical quick open manholes with hinged cover.1总则1.0.1为了规范椭圆形...

HG/T 21525-2014.Quick open manholes for atmospheric use.1总则1.0.1为了规范常压旋柄快开人孔的设计,...

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