Combined street and traffic sign,申请号US19320607939-传众专利搜索

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发明名称	Combined street and traffic sign
摘要
申请公布号	US1885776(A)	申请公布日期	1932.11.01
申请号	US19320607939	申请日期	1932.04.28
申请人	SMITH EARLE E	发明人	SMITH EARLE E.
分类号	E01F9/016	主分类号	E01F9/016
代理机构		代理人
主权项
地址

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