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发明名称
SPARK-PROOF POWER SUPPLY UNIT
摘要
申请公布号
SU675193(A1)
申请公布日期
1979.07.25
申请号
SU19762315927
申请日期
1976.01.15
申请人
SEKTOR FIZIKO-TEKHNICHESKIKH GORNYKH PROBLEM IFIZ ZEMLI IM. O.YU.SHMIDTA AN SSSR
发明人
ERYGIN ALEKSANDR T,SU;DAVYDOV VIKTOR V,SU;YAKOVLEV VIKTOR P,SU
分类号
E21F9/00;(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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