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发明名称
HYDRAULICS OF POWERED SUPPORT
摘要
申请公布号
SU1652601(A1)
申请公布日期
1991.05.30
申请号
SU19884459460
申请日期
1988.07.12
申请人
SHAKHTINSKI NI PK UGOLNY INST
发明人
LUSHCHIK ALEKSANDR G,SU;MATVEEV VALENTIN A,SU;TITARENKO GENNADIJ A,SU
分类号
E21D23/16;E21D15/44
主分类号
E21D23/16
代理机构
代理人
主权项
地址
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