Player controlled ball sensing device for use in a pinball game,申请号US19890392050-传众专利搜索

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发明名称	Player controlled ball sensing device for use in a pinball game
摘要
申请公布号	US4971323(A)	申请公布日期	1990.11.20
申请号	US19890392050	申请日期	1989.08.10
申请人	GOTTLIEB, ALVIN J.	发明人	GOTTLIEB, ALVIN J.
分类号	A63D13/00;A63F3/02;A63F7/00;A63F7/02;A63F7/26;A63F7/30	主分类号	A63D13/00
代理机构		代理人
主权项
地址

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