A clock with combined electrically operated audible and visible appointment and likereminders,申请号GB19320009409-传众专利搜索

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发明名称	A clock with combined electrically operated audible and visible appointment and likereminders
摘要
申请公布号	GB399214(A)	申请公布日期	1933.10.02
申请号	GB19320009409	申请日期	1932.04.01
申请人	GEORGE FREDERICK HELMRICH	发明人
分类号	G04C21/30	主分类号	G04C21/30
代理机构		代理人
主权项
地址

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