Calendar clock mechanism,申请号US19470788620-传众专利搜索

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发明名称	Calendar clock mechanism
摘要
申请公布号	US2543983(A)	申请公布日期	1951.03.06
申请号	US19470788620	申请日期	1947.11.28
申请人	AUTOMATIC ELECTRIC LABORATORIES, INC.	发明人	OSTLINE JOHN E.
分类号	G04C17/00	主分类号	G04C17/00
代理机构		代理人
主权项
地址

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