Weeder attachment for cultivators,申请号US19400339172-传众专利搜索

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发明名称	Weeder attachment for cultivators
摘要
申请公布号	US2307533(A)	申请公布日期	1943.01.05
申请号	US19400339172	申请日期	1940.06.06
申请人	NEUMANN ERWIN R;WALTER WILLIE J	发明人	NEUMANN ERWIN R.;WALTER WILLIE J.
分类号	A01B35/32	主分类号	A01B35/32
代理机构		代理人
主权项
地址

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