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发明名称
Walking-aid apparatus
摘要
申请公布号
US2872967(A)
申请公布日期
1959.02.10
申请号
US19560621849
申请日期
1956.11.13
申请人
KIRKPATRICK VIDA E
发明人
KIRKPATRICK VIDA E.
分类号
A61H3/04
主分类号
A61H3/04
代理机构
代理人
主权项
地址
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