A magnetical contrivance to prevent iron and steel discs and washers from being inserted through the slots of automatic coin slot machines,申请号GB19330022117-传众专利搜索

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发明名称	A magnetical contrivance to prevent iron and steel discs and washers from being inserted through the slots of automatic coin slot machines
摘要
申请公布号	GB420765(A)	申请公布日期	1934.12.07
申请号	GB19330022117	申请日期	1933.08.08
申请人	DAVID MORGAN GRIFFITHS;WILLIAM ROBERT GLASBY;FRED RAWE;FRANK DUKES	发明人
分类号	G07D5/08	主分类号	G07D5/08
代理机构		代理人
主权项
地址

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