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发明名称
Vorrichtung zum Festhalten von gelochten Schriftstücken in Mappen
摘要
申请公布号
CH353722(A)
申请公布日期
1961.04.30
申请号
CHD353722
申请日期
1957.08.13
申请人
BUETZBERGER,GOTTFRIED
发明人
BUETZBERGER,GOTTFRIED
分类号
B42F13/16;B42F13/18
主分类号
B42F13/16
代理机构
代理人
主权项
地址
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