Combined plant duster and fertilizer,申请号US19310563187-传众专利搜索

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发明名称	Combined plant duster and fertilizer
摘要
申请公布号	US1883771(A)	申请公布日期	1932.10.18
申请号	US19310563187	申请日期	1931.09.16
申请人	DUNCAN EARL C	发明人	DUNCAN EARL C.
分类号	A01C15/02	主分类号	A01C15/02
代理机构		代理人
主权项
地址

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