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发明名称
ELECTRICAL INSTRUMENT
摘要
申请公布号
CA341660(A)
申请公布日期
1934.05.15
申请号
CAD341660
申请日期
申请人
THE CANADIAN WESTINGHOUSE COMPANY
发明人
THOMAS D. BARNES
分类号
主分类号
代理机构
代理人
主权项
地址
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