Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from EP83108397Aexternal-prioritypatent/EP0134277B2/de
Application filed by Hoechst Ceram Tec AgfiledCriticalHoechst Ceram Tec Ag
Publication of FI881850A0publicationCriticalpatent/FI881850A0/fi
Publication of FI881850ApublicationCriticalpatent/FI881850A/fi
Publication of FI79694BpublicationCriticalpatent/FI79694B/fi
Application grantedgrantedCritical
Publication of FI79694CpublicationCriticalpatent/FI79694C/sv