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发明名称
Knockdown ski
摘要
申请公布号
US2224897(A)
申请公布日期
1940.12.17
申请号
US19390258605
申请日期
1939.02.27
申请人
BURTON HARRY H;BURTON ALBERT A;BURTON ERNEST V
发明人
BURTON HARRY H.;BURTON ALBERT A.;BURTON ERNEST V.
分类号
A63C5/02
主分类号
A63C5/02
代理机构
代理人
主权项
地址
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