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发明名称
Improvements in or relating to calendars, advertising cards and like articles
摘要
申请公布号
GB384082(A)
申请公布日期
1932.12.01
申请号
GB19310033536
申请日期
1931.12.03
申请人
JOHNS, SON AND WATTS LIMITED;PERCY ALFRED PURTON
发明人
分类号
G09D3/00;G09F1/06
主分类号
G09D3/00
代理机构
代理人
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