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发明名称
A yo-yo
摘要
申请公布号
HK1004790(A2)
申请公布日期
1998.11.13
申请号
HK19980103987
申请日期
1998.05.08
申请人
CONA TECHNOLOGY CO. LTD.;PARAGON ELECTRONIC CO., LTD.
发明人
HUNG WONG JOHN BING
分类号
A63H;(IPC1-7):A63H
主分类号
A63H
代理机构
代理人
主权项
地址
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