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发明名称
Process for inspecting the ground
摘要
申请公布号
US2084143(A)
申请公布日期
1937.06.15
申请号
US19360083318
申请日期
1936.06.03
申请人
FIRM SELSMOS G.M.B.H.
发明人
HUMMEL JOHANN NEPOMUK
分类号
G01V3/22
主分类号
G01V3/22
代理机构
代理人
主权项
地址
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