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发明名称
Improvements in foot-aids
摘要
申请公布号
GB649882(A)
申请公布日期
1951.02.07
申请号
GB19480025749
申请日期
1948.10.04
申请人
FRANK DRUMMOND THOMSON
发明人
分类号
A43B7/22
主分类号
A43B7/22
代理机构
代理人
主权项
地址
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