发明名称 METHOD AND APPARATUS IN A SPACE STUDY
摘要 The invention concerns a method and an apparatus in a spatial work of art, the temperature inside the spatial work of art being varied below and above the freezing point of water. According to the invention, an intense direct-current voltage field is generated inside the spatial work of art in order to control frost formation.
申请公布号 WO9833025(A1) 申请公布日期 1998.07.30
申请号 WO1998FI00066 申请日期 1998.01.23
申请人 LAIJOKI-PUSKA, RITVA 发明人 LAIJOKI-PUSKA, RITVA
分类号 B44C5/00;B44C5/06;F25B21/04;F25B29/00;F25C1/00;F25C3/00;G09F19/02;(IPC1-7):F25D21/04 主分类号 B44C5/00
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