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发明名称
BLEISTIFTSPITZER.
摘要
申请公布号
DE1608938(U)
申请公布日期
1950.06.29
申请号
DE194900B1746U
申请日期
1949.07.23
申请人
ALBERT FIEDLER
发明人
ALBERT FIEDLER
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主分类号
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