Means for driving large clock hands,申请号US19340726881-传众专利搜索

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发明名称	Means for driving large clock hands
摘要
申请公布号	US2034498(A)	申请公布日期	1936.03.17
申请号	US19340726881	申请日期	1934.05.22
申请人	WARREN TELECHRON COMPANY	发明人	WARREN HENRY E.
分类号	G04C15/00	主分类号	G04C15/00
代理机构		代理人
主权项
地址

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