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发明名称
ZEICHENWINKEL.
摘要
申请公布号
DE1668714(U)
申请公布日期
1953.12.17
申请号
DE195300F6411U
申请日期
1953.11.03
申请人
A. W. FABER-CASTELL
发明人
分类号
主分类号
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