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发明名称
Roller skate
摘要
申请公布号
US1846265(A)
申请公布日期
1932.02.23
申请号
US19290359741
申请日期
1929.05.02
申请人
MATTHEW LANG
发明人
LANG MATTHEW
分类号
A63C17/22
主分类号
A63C17/22
代理机构
代理人
主权项
地址
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