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发明名称
Folding multiple rigid section umbrellas
摘要
申请公布号
US2967379(A)
申请公布日期
1961.01.10
申请号
US19580731409
申请日期
1958.04.28
申请人
ALFRED G. COHEN;PAUL WEISS
发明人
SMALL SAMUEL N.
分类号
A45B23/00;A45B25/18
主分类号
A45B23/00
代理机构
代理人
主权项
地址
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