Dirtproof hub for cultivator disks,申请号US19310569478-传众专利搜索

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发明名称	Dirtproof hub for cultivator disks
摘要
申请公布号	US1876749(A)	申请公布日期	1932.09.13
申请号	US19310569478	申请日期	1931.10.17
申请人	REA ROY R	发明人	REA ROY R.
分类号	A01B23/06	主分类号	A01B23/06
代理机构		代理人
主权项
地址

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