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发明名称
GERAET ZUM SPITZEN VON ZEICHENSTIFTEN U. DGL.
摘要
申请公布号
DE1870734(U)
申请公布日期
1963.04.18
申请号
DE196200O6858U
申请日期
1962.12.21
申请人
RUDOLF OSTERHOLD
发明人
RUDOLF OSTERHOLD
分类号
主分类号
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