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发明名称
Geophone
摘要
申请公布号
US3360772(A)
申请公布日期
1967.12.26
申请号
US19660553131
申请日期
1966.05.26
申请人
MASSA DIVISION, DYNAMICS CORPORATION OF AMERICA
发明人
MASSA FRANK
分类号
G01V1/18
主分类号
G01V1/18
代理机构
代理人
主权项
地址
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