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发明名称
METER TESTING DEVICE
摘要
申请公布号
CA335226(A)
申请公布日期
1933.08.29
申请号
CAD335226
申请日期
申请人
THE WESTINGHOUSE ELECTRIC AND MANUFACTURING COMPANY;THE CANADIAN WESTINGHOUSE COMPANY
发明人
SAMUEL ARONOFF
分类号
主分类号
代理机构
代理人
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