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摘要
申请公布号
US2813936(A)
申请公布日期
1957.11.19
申请号
US19550483473
申请日期
1955.01.24
申请人
CAL-TRONICS CORPORATION
发明人
FRANKE DALLAS V.;ANKER ERNEST R.
分类号
H01H19/56
主分类号
H01H19/56
代理机构
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