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发明名称
DEVICE FOR FORMING EXPANSIONS IN SOILS WITH STONE INCLUSIONS
摘要
申请公布号
SU853086(A1)
申请公布日期
1981.08.07
申请号
SU19792843635
申请日期
1979.11.26
申请人
KHABAROVSKIJ I INZHENEROV ZHELEZNODOROZHNOGO TRANSPORTA GLAVDALSTROJ
发明人
SUPRUN PETR P,SU;VINOKUROV VITALIJ I,SU
分类号
E21B10/34;(IPC1-7):E21B10/34
主分类号
E21B10/34
代理机构
代理人
主权项
地址
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