Automatic clock calendar,申请号US19530329972-传众专利搜索

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发明名称	Automatic clock calendar
摘要
申请公布号	US2719372(A)	申请公布日期	1955.10.04
申请号	US19530329972	申请日期	1953.01.07
申请人	WOLFGANG LOREN E	发明人	WOLFGANG LOREN E.
分类号	G04B19/257	主分类号	G04B19/257
代理机构		代理人
主权项
地址

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