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经营范围
发明名称
DIRECTIONAL SEISMIC SENSING SYSTEM
摘要
申请公布号
US3525978(A)
申请公布日期
1970.08.25
申请号
USD3525978
申请日期
1967.11.13
申请人
SENSOR PRECISION IND. INC.
发明人
WILLIAM J. HEINECKE;GUNARS GRABIS
分类号
G01V1/20;(IPC1-7):G01S3/00
主分类号
G01V1/20
代理机构
代理人
主权项
地址
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