公开/公告号RU2154735C1
专利类型
公开/公告日2000-08-20
原文格式PDF
申请/专利权人 ATRUSHKEVICH ARKADIJ ANISIMOVICH;SURKOV ALEKSANDR VASILEVICH;BEREZNEV SERGEJ VASILEVICH;ATRUSHKEVICH OLEG ARKADEVICH;ATRUSHKEVICH VIKTOR ARKADEVICH;FOMICHEV SERGEJ GRIGOREVICH;
申请/专利号RU19990102225
发明设计人 BEREZNEV S.V.;FOMICHEV S.G.;ATRUSHKEVICH A.A.;SURKOV A.V.;ATRUSHKEVICH V.A.;ATRUSHKEVICH O.A.;
申请日1999-02-04
分类号E21C41/18;
国家 RU
入库时间 2022-08-22 01:43:08