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发明名称
BLEISTIFTVERLAENGERUNGS- UND BLEISTIFTSCHUTZROHR.
摘要
申请公布号
DE1803841(U)
申请公布日期
1960.01.07
申请号
DE195900S2283U
申请日期
1959.10.27
申请人
ARNULF SEIFERTH
发明人
ARNULF SEIFERTH
分类号
主分类号
代理机构
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