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发明名称
DEVICE FOR BREAKING ROCKS
摘要
申请公布号
SU1710721(A1)
申请公布日期
1992.02.07
申请号
SU19904813812
申请日期
1990.04.13
申请人
INZHENERNO-TEKHNICHESKIJ TSENTR "SILOVYE IMPULSNYE SISTEMY" PRI MO GEOLOGORAZVEDOCHNOM I IM.SERGO ORDZHONIKIDZE
发明人
FONBERSHTEJN EFIM G,SU;EKOMASOV SERGEJ P,SU;LEBEDEV ALEKSANDR A,SU;TRAVIN VIKTOR L,SU;ROVINSKIJ ANDREJ M,SU
分类号
E21C37/00;E01C19/05;E21C37/14
主分类号
E21C37/00
代理机构
代理人
主权项
地址
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