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发明名称
Spring for fold-over articles
摘要
申请公布号
US2564570(A)
申请公布日期
1951.08.14
申请号
US19500142414
申请日期
1950.02.04
申请人
NASH INC.
发明人
HATFIELD ROBERT L.
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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