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发明名称
ROTATIVE-PERCUSSIVE DRILLING MACHINE
摘要
申请公布号
SU1435770(A1)
申请公布日期
1988.11.07
申请号
SU19864194288
申请日期
1986.12.26
申请人
KUZBASSKIJ POLT INSTITUT
发明人
ZAKHAROV VLADIMIR I,SU;YAKUNIN MIKHAIL K,SU
分类号
E21B6/04;E21B44/00
主分类号
E21B6/04
代理机构
代理人
主权项
地址
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