Vehicle guard rail,申请号US19670641244-传众专利搜索

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发明名称	Vehicle guard rail
摘要
申请公布号	US3417965(A)	申请公布日期	1968.12.24
申请号	US19670641244	申请日期	1967.05.25
申请人	JAMES H. GRAY	发明人	GRAY JAMES H.
分类号	E01F15/04	主分类号	E01F15/04
代理机构		代理人
主权项
地址

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