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发明名称
INSTALLATION FOR DRILLING MINE HOLES IN MINE SHAFTS
摘要
申请公布号
RO94586(B1)
申请公布日期
1988.08.16
申请号
RO19860123933
申请日期
1986.06.30
申请人
INSTITUTUL DE CERCETARE, INGINERIE TEHNOLOGICA SIDE PROIECTARE A LUCRARILOR DE CONSTRUCTII SI INSTALATII PENTRU MINEREURI
发明人
LAZAR MIRCEA;TOPALA IULIAN;MAIER MIHAI
分类号
E21D1/06
主分类号
E21D1/06
代理机构
代理人
主权项
地址
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