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经营范围
发明名称
ADVANCE GEAR OF MINE MACHINES
摘要
申请公布号
SU1507968(A1)
申请公布日期
1989.09.15
申请号
SU19874200088
申请日期
1987.02.23
申请人
TULSKIJ POLT INSTITUT
发明人
ZYSMANOV LEV G,SU;KHIROV VIKTOR A,SU;TKACHEV ALEKSANDR YU,SU;SMIRNOV SERGEJ N,SU;LUKIENKO VIKTOR G,SU;VETCHINKIN DMITRIJ A,SU;NAUMOVA VIKTORIYA G,SU;GELFAND LAZAR M,SU
分类号
E21C29/00;E21C35/08
主分类号
E21C29/00
代理机构
代理人
主权项
地址
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