Automatic direction signal,申请号US19510250839-传众专利搜索

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发明名称	Automatic direction signal
摘要
申请公布号	US2667545(A)	申请公布日期	1954.01.26
申请号	US19510250839	申请日期	1951.10.11
申请人	LEONARD HENRY M	发明人	LEONARD HENRY M.
分类号	B60Q1/42	主分类号	B60Q1/42
代理机构		代理人
主权项
地址

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