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发明名称
Switching device
摘要
申请公布号
US3056868(A)
申请公布日期
1962.10.02
申请号
US19590831237
申请日期
1959.08.03
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
JACOBSON OSCAR D.;KRANTZ HUBERT K.
分类号
H01H51/28
主分类号
H01H51/28
代理机构
代理人
主权项
地址
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