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经营范围
发明名称
Umbrella frame
摘要
申请公布号
US2430330(A)
申请公布日期
1947.11.04
申请号
US19440525292
申请日期
1944.03.06
申请人
S. W. EVANS & SON
发明人
EVANS WAYNE S.
分类号
A45B25/06
主分类号
A45B25/06
代理机构
代理人
主权项
地址
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