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经营范围
发明名称
HOLE REAMING DEVICE
摘要
申请公布号
SU1624119(A1)
申请公布日期
1991.01.30
申请号
SU19884604461
申请日期
1988.11.10
申请人
FRUNZENDZKIYI ROLITEKNNISNEDZKIYI INDZTITUT
发明人
IVANOV KONDZTANTIN I,SU;DZNRENDZT ANDREYI A,SU;FOMIN VORIDZ V,SU;DUVROVIN GENNADIYI G,SU;IDZKNAKOV DZULTAN O,SU
分类号
E21B7/28
主分类号
E21B7/28
代理机构
代理人
主权项
地址
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