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经营范围
发明名称
Wheeled ski
摘要
申请公布号
US2545543(A)
申请公布日期
1951.03.20
申请号
US19460663732
申请日期
1946.04.20
申请人
BOTTRILL DAVID H
发明人
BOTTRILL DAVID H.
分类号
A63C5/06
主分类号
A63C5/06
代理机构
代理人
主权项
地址
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