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专利名称：Writing system发明人：WITZ, ILONA申请号：EP80101852.4申请日：19800408公开号：EP00178A1公开日：19801029
摘要：Writing system based on a chemical colour reaction between a dye precursorand an acidic compound which forms the dye acceptor, characterised in that the writingsystem contains one of the reaction components in a carrier substance, with or withoutcustomary additives.
申请人：KORES HOLDING ZUG AG
地址：Baarer Strasse 57 CH-6300 Zug CH
国籍：CH
代理机构：Gibler, Ferdinand, Dipl.Ing. Dr. techn.
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