Automatic supply means for animal feeding troughs,申请号US19550488884-传众专利搜索

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发明名称	Automatic supply means for animal feeding troughs
摘要
申请公布号	US2786448(A)	申请公布日期	1957.03.26
申请号	US19550488884	申请日期	1955.02.17
申请人	DAVID MCMASTER	发明人	MCMASTER DAVID
分类号	A01K39/01	主分类号	A01K39/01
代理机构		代理人
主权项
地址

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