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发明名称
TOE GUARD FOR ICE SKATES
摘要
申请公布号
CA300838(A)
申请公布日期
1930.06.03
申请号
CAD300838
申请日期
申请人
THE NESTOR JOHNSON MFG. CO.
发明人
CHARLES I. JOHNSON
分类号
主分类号
代理机构
代理人
主权项
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