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发明名称
Folding crutch for cripples
摘要
申请公布号
GB344942(A)
申请公布日期
1931.03.16
申请号
GB19290038416
申请日期
1929.12.16
申请人
MARY SUZANNE HODGSON
发明人
分类号
A61H3/02
主分类号
A61H3/02
代理机构
代理人
主权项
地址
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