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发明名称
Vorrichtung an kraftangetriebenen Typenhebelschreibmaschinen zum Verhindern des wiederholten Anschlages eines Typenhebels
摘要
申请公布号
DE681051(C)
申请公布日期
1939.09.13
申请号
DE1928R089254D
申请日期
1928.12.04
申请人
ROYAL TYPEWRITER COMPANY, INC.
发明人
分类号
主分类号
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