HG/T 2145.1-2015
搪玻璃平盖手孔
Handhold for glass-lined vessel
2015-07-14
HG/T 2145.3-2015
搪玻璃快开手孔
Quick-opening handhole for glass-lined vessel
2015-07-14
HG/T 2145.2-2015
搪玻璃带视镜手孔
Handhole with glass sight for glass-lined vessel
2015-07-29
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 21602-2014
平盖衬不锈钢手孔(附条文说明)
Lining stainless steel elliptic 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