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发明名称
APPARATUS FOR DRIVING RISES
摘要
申请公布号
SU1613624(A1)
申请公布日期
1990.12.15
申请号
SU19874352125
申请日期
1987.10.08
申请人
VNII BEZOPASNOSTI TRUDA V GOR
发明人
BEZUGLYJ MIKHAIL N,SU
分类号
E21D3/00
主分类号
E21D3/00
代理机构
代理人
主权项
地址
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