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发明名称
Valve
摘要
申请公布号
US2249643(A)
申请公布日期
1941.07.15
申请号
US19380224330
申请日期
1938.08.11
申请人
FRANKLIN PROCESS COMPANY
发明人
WOOD JOHN M.
分类号
F16K11/08
主分类号
F16K11/08
代理机构
代理人
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