Earth-mover blade with vibrating attachment,申请号US19440558559-传众专利搜索

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发明名称	Earth-mover blade with vibrating attachment
摘要
申请公布号	US2443492(A)	申请公布日期	1948.06.15
申请号	US19440558559	申请日期	1944.10.13
申请人	LA PLANT-CHOATE MANUFACTURING CO., INC.	发明人	AUSTIN ELLSWORTH W.
分类号	E02F3/64	主分类号	E02F3/64
代理机构		代理人
主权项
地址

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