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发明名称
SAMPLER
摘要
申请公布号
SU1441064(A1)
申请公布日期
1988.11.30
申请号
SU19874186491
申请日期
1987.01.26
申请人
VNI PK I GEOFIZICHESKIKH METODOV ISSLEDOVANIJ,ôCüÕTAHôù ô KOHTPOóù HE´TE×A³OPA³BE¯OÚHÕX CKBAÖôH
发明人
BRODSKIJ PETR A,SU;UTRIVANOV EVGENIJ N,SU
分类号
E21B49/06
主分类号
E21B49/06
代理机构
代理人
主权项
地址
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