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发明名称
Adjustable self-sealing valve
摘要
申请公布号
US2228190(A)
申请公布日期
1941.01.07
申请号
US19400322781
申请日期
1940.03.07
申请人
WADDELL HOMER J
发明人
WADDELL HOMER J.
分类号
F16K5/02;F16K5/16
主分类号
F16K5/02
代理机构
代理人
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