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发明名称
VORRICHTUNG ZUM SCHAERFEN VON BLEISTIFTEN U. DGL.
摘要
申请公布号
DE1619588(U)
申请公布日期
1951.02.01
申请号
DE195000K3781U
申请日期
1950.12.13
申请人
HANS-DIETRICH VON KILLISCH-HORN
发明人
HANS-DIETRICH VON KILLISCH-HORN
分类号
主分类号
代理机构
代理人
主权项
地址
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