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发明名称
THYRISTOR CONVERTER ELECTRICALLY-DRIVEN INSTALLATION FOR DRILLING
摘要
申请公布号
RO83525(B1)
申请公布日期
1984.03.30
申请号
RO19820107731
申请日期
1982.05.31
申请人
INSTITUTUL DE CERCETARE STIINTIFICA SI INGINERIE TEHNOLOGICA PENTRU INDUSTRIA ELECTROTEHNICA
发明人
GHITA VLADIMIR VIOREL;LAPEDATUL ELENA;ZARONI ROMULUS;PELIGRAD NICOLAE;ANDREI GHEORGHE
分类号
E21B3/06;E21B4/04;H02P7/00
主分类号
E21B3/06
代理机构
代理人
主权项
地址
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