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发明名称
METHOD OF LAYER WORKING OF CONGEALED SOIL
摘要
申请公布号
SU857371(A1)
申请公布日期
1981.08.23
申请号
SU19792799997
申请日期
1979.07.20
申请人
PNII KY PROMSTROJNIIPROEKT
发明人
EMELIN VYACHESLAV I,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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