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经营范围
发明名称
Seismic surveying
摘要
申请公布号
US2348409(A)
申请公布日期
1944.05.09
申请号
US19410398166
申请日期
1941.06.14
申请人
OLIVE S. PETTY
发明人
JR. JOSEPHUS O. PARR,
分类号
G01V1/36
主分类号
G01V1/36
代理机构
代理人
主权项
地址
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