Embankment for roads, railroads, and the like,申请号US19270174040-传众专利搜索

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发明名称	Embankment for roads, railroads, and the like
摘要
申请公布号	US1791840(A)	申请公布日期	1931.02.10
申请号	US19270174040	申请日期	1927.03.09
申请人	HARALD POPKE LARS	发明人	POPKE LARS HARALD
分类号	E01B1/00	主分类号	E01B1/00
代理机构		代理人
主权项
地址

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