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发明名称
Verfahren zur Herstellung von Schreib- und Zeichenstiftminen
摘要
申请公布号
AT177196(B)
申请公布日期
1954.01.11
申请号
ATD177196
申请日期
1950.07.18
申请人
FIRMA J. S. STAEDTLER
发明人
分类号
主分类号
代理机构
代理人
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