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经营范围
发明名称
Exploration with electric impulses
摘要
申请公布号
US2234956(A)
申请公布日期
1941.03.18
申请号
US19380226654
申请日期
1938.08.25
申请人
E. E. ROSAIRE
发明人
BILINSKY SOLOMON
分类号
G01V3/04
主分类号
G01V3/04
代理机构
代理人
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