Method of freezing materials,申请号US19520303326-传众专利搜索

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发明名称	Method of freezing materials
摘要
申请公布号	US2751762(A)	申请公布日期	1956.06.26
申请号	US19520303326	申请日期	1952.08.08
申请人	PROCTOR DRYING AND FREEZING CORPORATION	发明人	COLTON RALPH F.
分类号	F25C1/00	主分类号	F25C1/00
代理机构		代理人
主权项
地址

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