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发明名称
HYDRAULIC JACK OF SHIELD
摘要
申请公布号
SU1539320(A1)
申请公布日期
1990.01.30
申请号
SU19853999725
申请日期
1985.12.27
申请人
SP KT BYURO GLAVMOSINZHSTROYA
发明人
GRIGOREV SERGEJ M,SU;SEMENOV ALEKSANDR N,SU;SAMOJLOV VLADIMIR P,SU
分类号
E21D9/06;E21D23/16
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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