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发明名称
SPARK-SAFE CIRCUIT SWITCH FOR MINES
摘要
申请公布号
SU1740694(A1)
申请公布日期
1992.06.15
申请号
SU19904842814
申请日期
1990.06.27
申请人
G MAKEEVSKIJ NII PO BEZOPASNOSTI RABOT V GORNOJ PROMYSHLENNOSTI
发明人
LAPPO PAVEL V,SU;KOLOSYUK VLADIMIR P,SU;KOPTIKOV VIKTOR P,SU;ZAMZHITSKIJ VASILIJ S,SU;KOSHMAN ALEKSANDR V,SU;FAJNSHTEJN VLADIMIR S,SU;BOLTUNOV OLEG G,SU
分类号
E21F9/00
主分类号
E21F9/00
代理机构
代理人
主权项
地址
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