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发明名称
Valve mechanism
摘要
申请公布号
US2011812(A)
申请公布日期
1935.08.20
申请号
US19330675252
申请日期
1933.06.10
申请人
CHARLES M. HATCHER
发明人
HATCHER CRAIG E.;HATCHER CHARLES M.
分类号
F04B53/10
主分类号
F04B53/10
代理机构
代理人
主权项
地址
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