Improvements in or relating to dartboards,申请号GB19370024181-传众专利搜索

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发明名称	Improvements in or relating to dartboards
摘要
申请公布号	GB501457(A)	申请公布日期	1940.02.28
申请号	GB19370024181	申请日期	1937.09.04
申请人	ALBERT FRANK BURDEN	发明人
分类号	F41J3/00	主分类号	F41J3/00
代理机构		代理人
主权项
地址

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