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发明名称
GEOPHONE
摘要
申请公布号
SU842678(A1)
申请公布日期
1981.06.30
申请号
SU19792813434
申请日期
1979.08.31
申请人
NEKRASOV VITALIJ N,SU;SERGEEV SERGEJ V,SU;TROKHAN ALEKSANDR M,SU
发明人
NEKRASOV VITALIJ N,SU;SERGEEV SERGEJ V,SU;TROKHAN ALEKSANDR M,SU
分类号
G01V1/16;(IPC1-7):G01V1/16
主分类号
G01V1/16
代理机构
代理人
主权项
地址
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