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发明名称
ELECTRICAL INSTRUMENTS
摘要
申请公布号
CA473882(A)
申请公布日期
1951.05.22
申请号
CAD473882
申请日期
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
CECIL L. FREEDMAN
分类号
主分类号
代理机构
代理人
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