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发明名称
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摘要
申请公布号
US2211107(A)
申请公布日期
1940.08.13
申请号
US19370176958
申请日期
1937.11.29
申请人
FISHER LAWRENCE E;FRANK WILLIAM H
发明人
FISHER LAWRENCE E.;FRANK WILLIAM H.
分类号
H01H73/24
主分类号
H01H73/24
代理机构
代理人
主权项
地址
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