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发明名称
Filing systems for storing papers or the like
摘要
申请公布号
GB743270(A)
申请公布日期
1956.01.11
申请号
GB19530011420
申请日期
1953.04.24
申请人
OTTO ALFRED BECKER
发明人
分类号
B42F15/00
主分类号
B42F15/00
代理机构
代理人
主权项
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