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发明名称
COMPUTER-AIDED DRAWING APPARATUS
摘要
申请公布号
DE3274222(D1)
申请公布日期
1987.01.02
申请号
DE19823274222
申请日期
1982.03.27
申请人
BZ PLANKENHORN KG
发明人
DAUBLE, HERBERT
分类号
B43L13/02;(IPC1-7):B43L13/02
主分类号
B43L13/02
代理机构
代理人
主权项
地址
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