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发明名称
Improvements relating to display sheets and the like more especially for albums
摘要
申请公布号
GB438176(A)
申请公布日期
1935.11.12
申请号
GB19350001870
申请日期
1935.01.19
申请人
NORMAN HERBERT JONES
发明人
分类号
B42F5/00
主分类号
B42F5/00
代理机构
代理人
主权项
地址
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