Switch device for ball rolling games,申请号US19410389946-传众专利搜索

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发明名称	Switch device for ball rolling games
摘要
申请公布号	US2308297(A)	申请公布日期	1943.01.12
申请号	US19410389946	申请日期	1941.04.23
申请人	AMERICAN MOLDED PRODUCTS CO.	发明人	MOXEY FRED W.;FELDOTT RAYMOND W.
分类号	A63F7/30	主分类号	A63F7/30
代理机构		代理人
主权项
地址

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