Safety passing and black-out light,申请号US19420433217-传众专利搜索

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发明名称	Safety passing and black-out light
摘要
申请公布号	US2311743(A)	申请公布日期	1943.02.23
申请号	US19420433217	申请日期	1942.03.03
申请人	JAMES P. LEAMON	发明人	ELFNER HENRY LEONARD
分类号		主分类号
代理机构		代理人
主权项
地址

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