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发明名称
DEVICE FOR STABILIZING ROCK BREAKING TOOL IN HORIZONTAL PLANE
摘要
申请公布号
SU1645427(A1)
申请公布日期
1991.04.30
申请号
SU19884419693
申请日期
1988.04.04
申请人
LE POLT I IM.M.I.KALININA
发明人
BASHKAREV ALBERT YA,SU;KUZMENKO MIKHAIL M,SU
分类号
E21B7/04
主分类号
E21B7/04
代理机构
代理人
主权项
地址
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