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发明名称
Dartboard alignment tool
摘要
申请公布号
GB2278197(B)
申请公布日期
1997.03.26
申请号
GB19930010414
申请日期
1993.05.20
申请人
GRAHAM EDWARD * HILLIER
发明人
GRAHAM EDWARD * HILLIER
分类号
F41J3/00;G01C9/28;(IPC1-7):G01C9/28;A63B71/04
主分类号
F41J3/00
代理机构
代理人
主权项
地址
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