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发明名称
Potentiometric circuit
摘要
申请公布号
US2473334(A)
申请公布日期
1949.06.14
申请号
US19480046415
申请日期
1948.08.27
申请人
GENERAL PRECISION LABORATORY INCORPORATED
发明人
JR. IVAN A. GREENWOOD,
分类号
G05D3/14
主分类号
G05D3/14
代理机构
代理人
主权项
地址
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