Frost preventing machine,申请号US19370156600-传众专利搜索

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发明名称	Frost preventing machine
摘要
申请公布号	US2165148(A)	申请公布日期	1939.07.04
申请号	US19370156600	申请日期	1937.07.30
申请人	NELSON LESTER E;NELSON VERNON H	发明人	NELSON LESTER E.;NELSON VERNON H.
分类号	A01G13/08	主分类号	A01G13/08
代理机构		代理人
主权项
地址

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