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经营范围
发明名称
Flexible arch support
摘要
申请公布号
US2428244(A)
申请公布日期
1947.09.30
申请号
US19450621231
申请日期
1945.10.09
申请人
DUANE ROLES
发明人
ROLES DUANE
分类号
A43B7/14
主分类号
A43B7/14
代理机构
代理人
主权项
地址
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