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发明名称
PERCUSSIVE DEVICE FOR MAKING HOLES
摘要
申请公布号
SU607899(A1)
申请公布日期
1978.05.25
申请号
SU19731868909
申请日期
1973.01.10
申请人
INST GORNOGO DELA SO AN SSSR
发明人
SUDNISHNIKOV BORIS V,SU;KAMENSKIJ VENIAMIN V,SU;VARNELLO EDUARD P,SU;TUPITSYN SERGEJ K,SU;NAZAROV BORIS V,SU
分类号
E02F5/18;(IPC1-7):E02F5/18;E21B5/00
主分类号
E02F5/18
代理机构
代理人
主权项
地址
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