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发明名称
SAFTY VALVE DEVICEEWIDENS OPERATING ANGLE OF SAFTY VALVE WHICH CLOSES BY PRESSURE JOINTING OF BALLLSHAPEDDVALVE ON VALVE SEAT
摘要
申请公布号
JPS52148837(A)
申请公布日期
1977.12.10
申请号
JP19760062831
申请日期
1976.05.28
申请人
YAMAGUCHI GINZABUROU;YAMAGUCHI TORANOSUKE
发明人
YAMAGUCHI GINZABUROU;YAMAGUCHI TORANOSUKE
分类号
F16K17/34;F16K17/22
主分类号
F16K17/34
代理机构
代理人
主权项
地址
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