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经营范围
发明名称
Electrical circuits for seismic prospecting
摘要
申请公布号
US2055477(A)
申请公布日期
1936.09.29
申请号
US19330704799
申请日期
1933.12.30
申请人
STANDARD OIL DEVELOPMENT COMPANY
发明人
BLAU LUDWIG W.
分类号
G01V1/24
主分类号
G01V1/24
代理机构
代理人
主权项
地址
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