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发明名称
ELECTRIC RATE METER
摘要
申请公布号
CA408375(A)
申请公布日期
1942.11.03
申请号
CAD408375
申请日期
申请人
CITIES SERVICE OIL COMPANY
发明人
BENJAMIN MILLER
分类号
主分类号
代理机构
代理人
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