Earth working machine,申请号US19330668737-传众专利搜索

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发明名称	Earth working machine
摘要
申请公布号	US1971698(A)	申请公布日期	1934.08.28
申请号	US19330668737	申请日期	1933.05.01
申请人	WILLS MARION C;HENRY ALBERT R	发明人	WILLS MARION C.;HENRY ALBERT R.
分类号	E02F3/84	主分类号	E02F3/84
代理机构		代理人
主权项
地址

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