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发明名称
Brief case or portfolio
摘要
申请公布号
US1877954(A)
申请公布日期
1932.09.20
申请号
US19310521760
申请日期
1931.03.11
申请人
NATHAN OTTINGER
发明人
OTTINGER NATHAN
分类号
A45C1/06
主分类号
A45C1/06
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