Marble shifting mechanism for game boards,申请号US19340735185-传众专利搜索

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发明名称	Marble shifting mechanism for game boards
摘要
申请公布号	US2068178(A)	申请公布日期	1937.01.19
申请号	US19340735185	申请日期	1934.07.14
申请人	JOSEPH VIERLING, JR.	发明人	HOOKER DONALD E.
分类号	A63D13/00;G07F17/38	主分类号	A63D13/00
代理机构		代理人
主权项
地址

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