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发明名称
DEVICE FOR DRILLING HOLES IN ICE
摘要
申请公布号
SU641249(A1)
申请公布日期
1979.01.05
申请号
SU19752196239
申请日期
1975.12.03
申请人
MEDVEDEV ALEKSANDR GEORGIEVICH,SU
发明人
MEDVEDEV ALEKSANDR GEORGIEVICH,SU
分类号
F25C5/02;F25C5/04;(IPC1-7):F25C5/02;E21C19/00
主分类号
F25C5/02
代理机构
代理人
主权项
地址
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