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发明名称
Tastenknopf für Schreibmaschinen, Rechenmaschinen usw. und Verfahren zu seiner Herstellung
摘要
申请公布号
CH315612(A)
申请公布日期
1956.08.31
申请号
CHD315612
申请日期
1952.09.27
申请人
HEINZE,RICHARD
发明人
HEINZE,RICHARD;ALTMANN,KURT
分类号
B41J5/12
主分类号
B41J5/12
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代理人
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