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发明名称
Crutch head
摘要
申请公布号
US1957473(A)
申请公布日期
1934.05.08
申请号
US19330657430
申请日期
1933.02.18
申请人
PIRTLE HORACE C;JOSLIN LOUIS H
发明人
PIRTLE HORACE C.;JOSLIN LOUIS H.
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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