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发明名称
METHOD OF EXCAVATING OREBODIES
摘要
申请公布号
SU621879(A1)
申请公布日期
1978.08.30
申请号
SU19772477937
申请日期
1977.04.06
申请人
INST GORNOGO DELA SO AN SSSR
发明人
RYABCHENKO EVGENIJ PAVLOVICH,SU;SVAROVSKIJ BORIS MIKHAJLOVICH,SU;TISHKOV ANATOLIJ YAKOVLEVICH,SU;MEZENTSEV KAZBEK TIMOFEEVICH,SU;TROFIMOV ILYA MIKHAJLOVICH,SU
分类号
(IPC1-7):E21C41/06
主分类号
(IPC1-7):E21C41/06
代理机构
代理人
主权项
地址
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