Road guard mounting,申请号US19320625397-传众专利搜索

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发明名称	Road guard mounting
摘要
申请公布号	US1922878(A)	申请公布日期	1933.08.15
申请号	US19320625397	申请日期	1932.07.28
申请人	BOYLE RUDOLPH B	发明人	BOYLE RUDOLPH B.
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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