Defrosting control for automatic refrigerators,申请号US19310561355-传众专利搜索

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发明名称	Defrosting control for automatic refrigerators
摘要
申请公布号	US2075437(A)	申请公布日期	1937.03.30
申请号	US19310561355	申请日期	1931.09.05
申请人	SERVEL, INC.	发明人	HAINSWORTH WILLIAM R.
分类号	F25D21/02	主分类号	F25D21/02
代理机构		代理人
主权项
地址

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