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发明名称
Common battery cord circuit
摘要
申请公布号
US2201358(A)
申请公布日期
1940.05.21
申请号
US19380217717
申请日期
1938.07.06
申请人
KELLOGG SWITCHBOARD AND SUPPLY COMPANY
发明人
WALLACE BERT A.
分类号
H04M3/60;H04Q5/20
主分类号
H04M3/60
代理机构
代理人
主权项
地址
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