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发明名称
VERSATILE DRAWING COMPASSES
摘要
申请公布号
PL289360(A1)
申请公布日期
1992.09.21
申请号
PL19910289360
申请日期
1991.03.07
申请人
POLITECHNIKA WROCLAWSKA
发明人
MAJID WISAM N
分类号
B43L9/10;(IPC1-7):B43L9/10
主分类号
B43L9/10
代理机构
代理人
主权项
地址
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