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发明名称
Meter device
摘要
申请公布号
US1824781(A)
申请公布日期
1931.09.29
申请号
US19300486598
申请日期
1930.10.06
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
BAR BERT G. LA
分类号
G01R11/60
主分类号
G01R11/60
代理机构
代理人
主权项
地址
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