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经营范围
发明名称
Extendible dart shaft
摘要
申请公布号
GB2077116(A)
申请公布日期
1981.12.16
申请号
GB19800008494
申请日期
1980.03.13
申请人
FROST KEITH BERNARD
发明人
分类号
F42B6/00;(IPC1-7):A63B65/02
主分类号
F42B6/00
代理机构
代理人
主权项
地址
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