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经营范围
发明名称
Ice skate walking appliance
摘要
申请公布号
US2155472(A)
申请公布日期
1939.04.25
申请号
US19380204785
申请日期
1938.04.28
申请人
COLBERT CHARLES C
发明人
COLBERT CHARLES C.
分类号
A63C3/12
主分类号
A63C3/12
代理机构
代理人
主权项
地址
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