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经营范围
发明名称
APPARATUS FOR MAKING ASCEBDING WORKINGS
摘要
申请公布号
SU717350(A1)
申请公布日期
1980.02.25
申请号
SU19721818495
申请日期
1972.08.07
申请人
NAUMOV VLADIMIR V,SU
发明人
NAUMOV VLADIMIR V,SU
分类号
E21D3/00;E21D5/12;(IPC1-7):E21D3/00
主分类号
E21D3/00
代理机构
代理人
主权项
地址
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