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发明名称
Rotationsvervielfaeltiger mit elektromagnetisch an- und abstellbarer Gegendruckwalze fuer den angenaeherten Abdruck von Zeilen oder Abschnitten
摘要
申请公布号
DE1055557(B)
申请公布日期
1959.04.23
申请号
DE1957R020833
申请日期
1957.03.22
申请人
WILHELM RITZERFELD;GEORG RITZERFELD
发明人
RITZERFELD WILHELM;RITZERFELD GERHARD
分类号
B41L11/00
主分类号
B41L11/00
代理机构
代理人
主权项
地址
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