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发明名称
ROLLER
摘要
申请公布号
BG48527(A1)
申请公布日期
1991.03.15
申请号
BG19870079311
申请日期
1987.04.14
申请人
LENINGRADSKIJ POLITEKHNICHESKIJ INSTITUT IM. M.I.KALININA
发明人
DENIKIN, ERNST I.;MATVEEV, VJACHESLAV A.;SHESTOPALOV, ALEKSANDR A.;LOZHECHKO, VIKTOR P.;VESELOV, NIKOLAJ A.
分类号
E01C19/26;E01C19/29;(IPC1-7):E01C19/26
主分类号
E01C19/26
代理机构
代理人
主权项
地址
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