HG/T 2145.3-2015
搪玻璃快开手孔
Quick-opening handhole for glass-lined vessel
2015-07-14
HG/T 2145.4-2015
搪玻璃带视镜快开手孔
Quick-opening handhole with glass sight for glass-lined vessel
2015-07-14
HG/T 21535-2014
回转盖快开手孔
Quick open handholes with hinged cover
2014-07-09
HG/T 21534-2014
旋柄快开手孔
Quick open handholes with rotating handle
2014-07-09
HG/T 21533-2014
常压快开手孔
Quick open handholes for atmospheric use
2014-07-09
HG/T 2145.1-2015
搪玻璃平盖手孔
Handhold for glass-lined vessel
2015-07-14
HG/T 2145.2-2015
搪玻璃带视镜手孔
Handhole with glass sight for glass-lined vessel
2015-07-29
HG/T 21604-2014
旋柄快开衬不锈钢手孔(附条文说明)
Lining stainless steel swing-type quick opening manholes
2014-07-09
HG/T 21603-2014
回转盖快开衬不锈钢手孔(附条文说明)
Lining stainless steel rotary cover quick opening manholes
2014-07-09
DIN 28139-2
Welding necks for glass lined vessels - Part 2: Form M manhole, handhole and assembly opening for clamp screw connections - Connecting dimensions
搪玻璃容器的焊接颈.第2部分:卡箍螺钉连接用M型人孔、手孔和装配孔.连接尺寸
2019-05-01