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经营范围
发明名称
Perfectionnements apportés aux procédés de prospection de gisements souterrains
摘要
申请公布号
FR873911(A)
申请公布日期
1942.07.23
申请号
FRD873911
申请日期
1940.02.08
申请人
发明人
DERMOTT EUGENE MC
分类号
G01G5/04;G01V9/00
主分类号
G01G5/04
代理机构
代理人
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地址
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