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发明名称
CONNECTION ARRANGEMENT FOR SPARKLESS DIRECT-CURRENT POWER SUPPLY OF ELECTRIC EQUIPMENTS OPERATED IN GAS- AND EXPLOSION-DANGEROUS AMBIENT
摘要
申请公布号
HU208358(B)
申请公布日期
1993.09.28
申请号
HU19900003242
申请日期
1990.05.29
申请人
LAKATOS JANOS,HU
发明人
LAKATOS,JANOS,HU;UBRANKOVICS,JANOS,HU
分类号
E21F9/00;H02H9/00;H02J9/00;(IPC1-7):E21F9/00
主分类号
E21F9/00
代理机构
代理人
主权项
地址
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