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发明名称
HYDRAULIC NEEDLE FOR DRILLING AND THAWING FROZEN SOIL
摘要
申请公布号
SU920126(A1)
申请公布日期
1982.04.15
申请号
SU19803006752
申请日期
1980.11.24
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
GOLDTMAN VALTER G,SU;KRYSHCHENKO NIKOLAJ D,SU;KORDYUKOV IVAN P,SU
分类号
E02F5/30;(IPC1-7):E02F5/30
主分类号
E02F5/30
代理机构
代理人
主权项
地址
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