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经营范围
发明名称
SUSPENDED LINING PLACER
摘要
申请公布号
SU1758237(A1)
申请公布日期
1992.08.30
申请号
SU19894765601
申请日期
1989.12.05
申请人
VNII ORG MEKH SHAKHT
发明人
BEREZHNOJ ALEKSANDR L,SU;ALFEROV BORIS V,SU;DRUTSKO VITALIJ P,SU;SHAPOVAL YURIJ S,SU
分类号
E21D13/04
主分类号
E21D13/04
代理机构
代理人
主权项
地址
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