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发明名称
Portfolio
摘要
申请公布号
US2280889(A)
申请公布日期
1942.04.28
申请号
US19400327427
申请日期
1940.04.02
申请人
BUXTON, INCORPORATED
发明人
BUXTON MABEL ALLEN
分类号
A45C1/06
主分类号
A45C1/06
代理机构
代理人
主权项
地址
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