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Priority claimed from DE2729929Aexternal-prioritypatent/DE2729929C3/de
Priority claimed from DE19782820138external-prioritypatent/DE2820138A1/de
Priority claimed from FI781901Aexternal-prioritypatent/FI68144C/fi
Application filed by Karl FischerfiledCriticalKarl Fischer
Publication of FI831768A0publicationCriticalpatent/FI831768A0/fi
Publication of FI831768LpublicationCriticalpatent/FI831768L/fi
Application grantedgrantedCritical
Publication of FI67988BpublicationCriticalpatent/FI67988B/fi
Publication of FI67988CpublicationCriticalpatent/FI67988C/fi
FI831768A1977-07-021983-05-19Foerfarande foer tillverkning av ett elektriskt stfoerfarande foer tillverkning av ett elektrisk strraolningsvaermeelement aolningsvaermeelement
FI67988C
(fi)