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经营范围
发明名称
Process of stiffening shoe parts
摘要
申请公布号
US2447681(A)
申请公布日期
1948.08.24
申请号
US19440545420
申请日期
1944.07.18
申请人
BECKWITH MANUFACTURING COMPANY
发明人
BECKWITH EDWIN L.;SWETT ADELBERT P.
分类号
A43B23/16;A43D11/00
主分类号
A43B23/16
代理机构
代理人
主权项
地址
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