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发明名称
SOIL FREEZING DEVICE
摘要
申请公布号
SU607882(A1)
申请公布日期
1978.05.25
申请号
SU19772461352
申请日期
1977.03.10
申请人
VILYUJSKAYA NI MERZLOTNAYA STANTSIYA I MERZLOTOVEDENIYA SO AN SSSR
发明人
MAKAROV VIKTOR ,SU;IVACHEV VLADIMIR A,SU
分类号
E02D3/12;(IPC1-7):E02D3/12
主分类号
E02D3/12
代理机构
代理人
主权项
地址
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