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发明名称
ELECTRIC COMMUNICATION SYSTEM
摘要
申请公布号
CA588176(A)
申请公布日期
1959.12.01
申请号
CAD588176
申请日期
申请人
SVENSKA RELAFABRIKEN AKTIEBOLAG
发明人
DAVID ELKLOV
分类号
主分类号
代理机构
代理人
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