Land leveling drag,申请号US19470768876-传众专利搜索

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发明名称	Land leveling drag
摘要
申请公布号	US2513129(A)	申请公布日期	1950.06.27
申请号	US19470768876	申请日期	1947.08.15
申请人	ALLISON ALFRED W;ALLISON VERNON I;ALLISON JOHN J	发明人	ALLISON ALFRED W.;ALLISON VERNON I.;ALLISON JOHN J.
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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