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经营范围
发明名称
LIGHT BEAM OSCILLOGRAPH
摘要
申请公布号
US3512176(A)
申请公布日期
1970.05.12
申请号
USD3512176
申请日期
1967.12.18
申请人
CENTURY GEOPHYSICAL CORP.
发明人
JAMES L. FISHER;FRED T. KLEIN;JOHN D. SCHROEDER;CALVIN O. VOGT
分类号
G01D15/14;(IPC1-7):G01D15/14
主分类号
G01D15/14
代理机构
代理人
主权项
地址
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