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经营范围
发明名称
Improvements in or relating to detachable heel treads for boots and shoes
摘要
申请公布号
GB452758(A)
申请公布日期
1936.08.28
申请号
GB19360004659
申请日期
1936.02.15
申请人
HAROLD ALFRED WINTERSGILL
发明人
分类号
A43B21/39
主分类号
A43B21/39
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代理人
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