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发明名称
Beleuchtung fuer Schreibmaschinen
摘要
申请公布号
DE1917765(A1)
申请公布日期
1970.10.15
申请号
DE19691917765
申请日期
1969.04.08
申请人
KRISCHKER,JOSEPH
发明人
KRISCHKER,JOSEPH
分类号
B41J29/19
主分类号
B41J29/19
代理机构
代理人
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