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发明名称
FEED DEVICE OF DRILLING AND ANCHORING MACHINE
摘要
申请公布号
SU994716(A1)
申请公布日期
1983.02.07
申请号
SU19813303950
申请日期
1981.03.17
申请人
VNI PK I DOBYCHI UGLYA GIDRAVLICHESKIM SPOSOBOM (VNIIGIDROUGOL)
发明人
SHAKHOV LEONID B,SU;KULIKOV DMITRIJ G,SU
分类号
E21B19/083;(IPC1-7):E21C5/00
主分类号
E21B19/083
代理机构
代理人
主权项
地址
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