Apparatus for leveling land and forming borders,申请号US19300424010-传众专利搜索

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发明名称	Apparatus for leveling land and forming borders
摘要
申请公布号	US1843938(A)	申请公布日期	1932.02.09
申请号	US19300424010	申请日期	1930.01.28
申请人	WEBB SAMUEL F	发明人	WEBB SAMUEL F.
分类号	E02F3/76	主分类号	E02F3/76
代理机构		代理人
主权项
地址

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