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发明名称
HYDRAULIC WEDGE DEVICE FOR BREAKING STONE
摘要
申请公布号
SU909168(A1)
申请公布日期
1982.02.28
申请号
SU19802970029
申请日期
1980.07.28
申请人
VNI PK I PO PROBLEMAM DOBYCHI,TPAHCüOPTA ô üEPEPA¬OTKô MôHEPAóÓHO×O CÕPÓù B üPOMÕÛóEHHOCTô CTPOôTEóÓHÕX MATEPôAóOB "BHôüôôCTPOMCÕPÓE"
发明人
KRAVETS ABRAM M,SU;SYCHEV YURIJ I,SU;BARSKIJ ARKADIJ A,SU
分类号
E21C37/02;(IPC1-7):E21C37/02
主分类号
E21C37/02
代理机构
代理人
主权项
地址
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