发明名称 VALVE WITH RESIDUAL PRESSURE INDICATOR FOR PORTABLE OXYGEN CYLINDER
摘要 A valve (3) is secured to a mouth (2) of a portable gas cylinder (1) containing pressurized oxygen. A residual pressure indicator (13) is assembled within the valve casing (6) and is observable from outside the valve casing. The indicator includes a piston 28 extending lengthwise of the valve casing.
申请公布号 AU7948587(A) 申请公布日期 1988.04.21
申请号 AU19870079485 申请日期 1987.10.08
申请人 NERIKI, K.K., 发明人 MITSUNORI SAKAI
分类号 F17C13/00;A61M16/00;F17C13/02;F17C13/04;G01L7/00;G01L7/16;G01L19/12 主分类号 F17C13/00
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