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发明名称
Oil tester
摘要
申请公布号
US2059374(A)
申请公布日期
1936.11.03
申请号
US19340718218
申请日期
1934.03.30
申请人
GILBERT & BARKER MANUFACTURING COMPANY
发明人
LOGAN JOSEPH A.;SPEAR LEOLYN F.
分类号
G01N21/03;G01N21/25;G01N21/29
主分类号
G01N21/03
代理机构
代理人
主权项
地址
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