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发明名称
Improvements in or relating to hats or like head-gear
摘要
申请公布号
GB531068(A)
申请公布日期
1940.12.27
申请号
GB19400001019
申请日期
1940.01.17
申请人
GEORGE MICHAEL DE VINE
发明人
分类号
A42B3/00
主分类号
A42B3/00
代理机构
代理人
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