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摘要
申请公布号
US2132920(A)
申请公布日期
1938.10.11
申请号
US19350034682
申请日期
1935.08.05
申请人
BUCKLEN-BEAR LABORATORIES, INC.
发明人
BEAR PAUL S.;BUCKLEN HERBERT E.
分类号
H01H29/04
主分类号
H01H29/04
代理机构
代理人
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