Preparation of an ice surface, useful for ice rink, and ice sports cars and trains, comprises freezing water in which an inorganic substance e.g. ammonia, alkali hydroxide, hydrogen halide, nitric acid and sulfuric acid, is added,申请号AT20060001067-传众专利搜索

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发明名称	Preparation of an ice surface, useful for ice rink, and ice sports cars and trains, comprises freezing water in which an inorganic substance e.g. ammonia, alkali hydroxide, hydrogen halide, nitric acid and sulfuric acid, is added
摘要
申请公布号	AT503443(A4)	申请公布日期	2007.10.15
申请号	AT20060001067	申请日期	2006.06.23
申请人	LEOPOLD-FRANZENS-UNIVERSITAET INNSBRUCK	发明人
分类号	F25C3/02	主分类号	F25C3/02
代理机构		代理人
主权项
地址

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