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经营范围
发明名称
Aufreihvorrichtung fuer Sammelmappen
摘要
申请公布号
DE577945(C)
申请公布日期
1933.06.07
申请号
DE1932SC98960D
申请日期
1932.09.25
申请人
WILHELM SCHAEFER
发明人
分类号
B42F13/16
主分类号
B42F13/16
代理机构
代理人
主权项
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