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发明名称
Parasol construction
摘要
申请公布号
US1839958(A)
申请公布日期
1932.01.05
申请号
US19310512814
申请日期
1931.02.02
申请人
THE W. H. HOWELL COMPANY
发明人
ERICSON PHILIP E. G.
分类号
A45B17/00
主分类号
A45B17/00
代理机构
代理人
主权项
地址
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