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经营范围
发明名称
Gang relay
摘要
申请公布号
US2315020(A)
申请公布日期
1943.03.30
申请号
US19410374428
申请日期
1941.01.15
申请人
KELLOGG SWITCHBOARD AND SUPPLY COMPANY
发明人
SAUNDERS NORMAN H.;JUDSEN NILS A.
分类号
H01H51/06
主分类号
H01H51/06
代理机构
代理人
主权项
地址
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