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发明名称
Improved covers and cover materials for temporary protection of shoes
摘要
申请公布号
US2746179(A)
申请公布日期
1956.05.22
申请号
US19520316733
申请日期
1952.10.24
申请人
B. B. CHEMICAL CO.
发明人
PERKINS JOHN L.
分类号
A43D11/00
主分类号
A43D11/00
代理机构
代理人
主权项
地址
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