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发明名称
Electrical contact protection
摘要
申请公布号
US2207969(A)
申请公布日期
1940.07.16
申请号
US19370182427
申请日期
1937.12.30
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
BURTON EVERETT T.
分类号
H01H9/54
主分类号
H01H9/54
代理机构
代理人
主权项
地址
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