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经营范围
发明名称
Manufacture of shoe stiffener material
摘要
申请公布号
US1893924(A)
申请公布日期
1933.01.10
申请号
US19310556615
申请日期
1931.08.12
申请人
HARRY H. BECKWITH
发明人
WOODRUFF FRANK O.
分类号
A43B23/16
主分类号
A43B23/16
代理机构
代理人
主权项
地址
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