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经营范围
发明名称
DRAWING APPARATUS
摘要
申请公布号
SU644576(A1)
申请公布日期
1979.01.30
申请号
SU19762402278
申请日期
1976.09.01
申请人
SHAPOVAL ALEKSANDR N,SU
发明人
SHAPOVAL ALEKSANDR N,SU
分类号
B21C1/00;(IPC1-7):B21C1/00
主分类号
B21C1/00
代理机构
代理人
主权项
地址
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