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发明名称
DEVICE FOR BREAKING ROCK
摘要
申请公布号
SU1602992(A1)
申请公布日期
1990.10.30
申请号
SU19884611028
申请日期
1988.11.30
申请人
MO GEOLOGORAZVEDOCHNYJ I IM.SERGO ORDZHONIKIDZE
发明人
FONBERSHTEJN EFIM G,SU;EKOMASOV SERGEJ P,SU;LEBEDEV ALEKSANDR A,SU;ROVINSKIJ ANDREJ M,SU;TRAVIN VIKTOR L,SU
分类号
E21C37/14
主分类号
E21C37/14
代理机构
代理人
主权项
地址
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