Spring support for road guards,申请号US19330651795-传众专利搜索

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发明名称	Spring support for road guards
摘要
申请公布号	US1988995(A)	申请公布日期	1935.01.22
申请号	US19330651795	申请日期	1933.01.14
申请人	CAMP EUGENE V	发明人	CAMP EUGENE V.
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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