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发明名称
Impedance controlling apparatus
摘要
申请公布号
US2123725(A)
申请公布日期
1938.07.12
申请号
US19360076013
申请日期
1936.04.23
申请人
REPUBLIC FLOW METERS COMPANY
发明人
HANDWERK OTTO T.
分类号
G01K17/16
主分类号
G01K17/16
代理机构
代理人
主权项
地址
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