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发明名称
ROCK BREAKING DEVICE
摘要
申请公布号
SU1452977(A1)
申请公布日期
1989.01.23
申请号
SU19874251095
申请日期
1987.05.27
申请人
KUZNETSKIJ NI PK I PO DOBYCHE POLEZNYKH ISKOPAEMYKH OTKRYTYM SPOSOBOM
发明人
KORYAKIN ANATOLIJ I,SU;DUROVA SVETLANA F,SU;BUDANOV VALERIJ E,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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