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经营范围
发明名称
THREADED COUPLING FOR PIPES
摘要
申请公布号
RU1772341(C)
申请公布日期
1992.10.30
申请号
SU19904803408
申请日期
1990.01.30
申请人
IVANO-FRANKOVSKIJ I NEFTI GAZA
发明人
CHERNOV BORIS A,SU;GRINIV VLADIMIR M,SU;SVERDLOV ALEKSANDR A,SU;BABYUK IGOR S,SU;GRINNIK ROMAN M,SU;OGLABYAN BOGDAN YU,SU
分类号
E21B17/042;E21B17/02
主分类号
E21B17/042
代理机构
代理人
主权项
地址
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