Method of extending the cooling action of ice,申请号US19300467111-传众专利搜索

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发明名称	Method of extending the cooling action of ice
摘要
申请公布号	US1979201(A)	申请公布日期	1934.10.30
申请号	US19300467111	申请日期	1930.07.10
申请人	EMIL KRAUSS FRIEDRICH	发明人	KRAUSS FRIEDRICH EMIL
分类号	C09K5/06;F25D3/02	主分类号	C09K5/06
代理机构		代理人
主权项
地址

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