Electrically driven clock, particularly for batteries,申请号US19560587877-传众专利搜索

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发明名称	Electrically driven clock, particularly for batteries
摘要
申请公布号	US2920439(A)	申请公布日期	1960.01.12
申请号	US19560587877	申请日期	1956.05.28
申请人	WALTER RICH	发明人	RICH WALTER
分类号	G04C3/06	主分类号	G04C3/06
代理机构		代理人
主权项
地址

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