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经营范围
发明名称
CORE-RECEIVING DEVICE
摘要
申请公布号
SU1432188(A1)
申请公布日期
1988.10.23
申请号
SU19864042854
申请日期
1986.03.24
申请人
VOLGOGRADSKIJ GNII NEFTYANOJ PROMYSHLENNOSTI
发明人
BABOSHKIN NIKOLAJ N,SU;LITVISHKO VLADIMIR G,SU;LITVINOV NIKOLAJ P,SU;ZYUBIN VIKTOR I,SU
分类号
E21B25/00
主分类号
E21B25/00
代理机构
代理人
主权项
地址
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