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发明名称
APPARATUS FOR ELECTROTHERMAL DRILLING OF HOLES IN ICE WITH CORE-TAKING
摘要
申请公布号
SU1263845(A1)
申请公布日期
1986.10.15
申请号
SU19843825729
申请日期
1984.12.17
申请人
LE,OP¯EHA OKTù¬PÓCKOö PEBOó½|ôô ô OP¯EHA TPÔ¯OBO×O KPACHO×O ³HAMEHô ×OPHÕö ôHCTôTÔT ôM.×.B.üóEXAHOBA
发明人
ZAGRIVNYJ EDUARD A,SU;BAKHTYUKOV VIKTOR N,SU;MOISEEV BORIS S,SU;SAFRONOVA NINA P,SU
分类号
E21C37/18
主分类号
E21C37/18
代理机构
代理人
主权项
地址
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