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发明名称
Sole flexing apparatus
摘要
申请公布号
US2160114(A)
申请公布日期
1939.05.30
申请号
US19370171664
申请日期
1937.10.29
申请人
BANCROFT ALBERT F
发明人
BANCROFT ALBERT F.
分类号
A43D8/52
主分类号
A43D8/52
代理机构
代理人
主权项
地址
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