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发明名称
PNEUMATIC ROCK DRILL
摘要
申请公布号
SU1452967(A1)
申请公布日期
1989.01.23
申请号
SU19864144691
申请日期
1986.11.10
申请人
VNII ZOLOTA REDKIKH METALLOV
发明人
CHABAN PAVEL D,SU;VASILEV VALENTIN M,SU;BOROVKOV ADOLF A,SU;SIGIDA NIKOLAJ M,SU;VASKOV LEONID I,SU
分类号
E21B1/00
主分类号
E21B1/00
代理机构
代理人
主权项
地址
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