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发明名称
A ROLLER SKATE
摘要
申请公布号
EP0362994(A3)
申请公布日期
1990.10.31
申请号
EP19890308115
申请日期
1989.08.09
申请人
YU, CHUNG-HSIUNG
发明人
YU, CHUNG-HSIUNG
分类号
A63C17/04;(IPC1-7):A63C17/04
主分类号
A63C17/04
代理机构
代理人
主权项
地址
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