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发明名称
Adjustable skate
摘要
申请公布号
US2190316(A)
申请公布日期
1940.02.13
申请号
US19380186589
申请日期
1938.01.24
申请人
HARRIS FREDRIC A
发明人
HARRIS FREDRIC A.
分类号
A63C17/18
主分类号
A63C17/18
代理机构
代理人
主权项
地址
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