Rolling ball game apparatus,申请号US19480009198-传众专利搜索

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发明名称	Rolling ball game apparatus
摘要
申请公布号	US2534404(A)	申请公布日期	1950.12.19
申请号	US19480009198	申请日期	1948.02.18
申请人	WILLIAM BOIKO	发明人	BOIKO WILLIAM
分类号	A63F7/00	主分类号	A63F7/00
代理机构		代理人
主权项
地址

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