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发明名称
An adjustable week-calendar
摘要
申请公布号
GB602515(A)
申请公布日期
1948.05.28
申请号
GB19450026600
申请日期
1945.10.11
申请人
SWIE HOO TAN
发明人
分类号
G09D3/10
主分类号
G09D3/10
代理机构
代理人
主权项
地址
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