Method of freezing foods with liquid nitrogen,申请号US19640350248-传众专利搜索

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发明名称	Method of freezing foods with liquid nitrogen
摘要
申请公布号	US3404989(A)	申请公布日期	1968.10.08
申请号	US19640350248	申请日期	1964.03.09
申请人	WALTER EARL HIRTENSTEINER	发明人	HIRTENSTEINER WALTER EARL
分类号	A23L3/375;F25D3/11	主分类号	A23L3/375
代理机构		代理人
主权项
地址

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