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发明名称
Verfahren zur Massenherstellung von Buchstaben oder sonstigen Zeichen.
摘要
申请公布号
CH195799(A)
申请公布日期
1938.02.15
申请号
CHD195799
申请日期
1937.03.31
申请人
C. BARTH-VERLAG
发明人
BARTH-VERLAG C.
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主分类号
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