HG/T 21534-2014 代替 HG/T 21534-2005 旋柄快开手孔
HG/T 21534-2014.Quick open handholes with rotating handle.1总则1.0.1为 了规范旋柄快开手孔的设计...
行业标准2023.08.12
HG/T 21534-2014.Quick open handholes with rotating handle.1总则1.0.1为 了规范旋柄快开手孔的设计...
行业标准2023.08.12
HG/T 21533-2014.Quick open handholes for atmospheric use.1总则1.0.1 为了规范常压快开手孔的设计,...
行业标准2023.08.12
HG/T 21532-2014.Welding neck flange handholes with hinged cover.1总则1.0.1为了规范回转盖带...
行业标准2023.08.12
HG/T 21559.1-2013.Engineering technical specification for stainless steel punche...
行业标准2023.08.12
HG/T 21558-2011.Code for design on process technics of rubber factory.1总则1.1编制宗旨...
行业标准2023.08.12
HG/T 21547-2016.Paddle blank, Paddle spacer, Figure-8 blank for piping system.1总...
行业标准2023.08.12
HG/T 21596-2014.Lining stainless steel rotary cover manholes.1总则1.0.1为了规范回转盖衬不锈钢...
行业标准2023.08.12
HG/T 21597-2014.Lining stainless steel rotary arch cover of quick opening manhol...
行业标准2023.08.12
HG/T 21603-2014.Lining stainless steel rotary cover quick opening.1总则1.0.1为了规范回转...
行业标准2023.08.12
HG/T 21602-2014.Lining stainless steel flat cover handhole.1总则1.0.1 为了规范平盖衬不锈钢手孔...
行业标准2023.08.12