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发明名称
Demand meter
摘要
申请公布号
US2431125(A)
申请公布日期
1947.11.18
申请号
US19440542528
申请日期
1944.06.28
申请人
KLAUS CHARLES E
发明人
KLAUS CHARLES E.
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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