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发明名称
GUN-TYPE SAMPLE TAKER
摘要
申请公布号
SU1640399(A1)
申请公布日期
1991.04.07
申请号
SU19884467085
申请日期
1988.07.03
申请人
VNI PK I PO VZRYVNYM METODAM GEOFIZICHESKOJ RAZVEDKI
发明人
VOROBEV LEONID S,SU;SHALAKOV VLADIMIR V,SU;TSIRULIN VLADIMIR E,SU;MILEKHINA LYUDMILA A,SU
分类号
E21B49/04
主分类号
E21B49/04
代理机构
代理人
主权项
地址
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