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经营范围
发明名称
Conductivity cell
摘要
申请公布号
US2560209(A)
申请公布日期
1951.07.10
申请号
US19490071418
申请日期
1949.01.18
申请人
ECONOMICS LABORATORY, INC.
发明人
BORELL GEORGE L.;NYSTUEN MARCUS I.
分类号
G01N27/07
主分类号
G01N27/07
代理机构
代理人
主权项
地址
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