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Application filed by Rolf ToernkvistfiledCriticalRolf Toernkvist
Priority to FI31274ApriorityCriticalpatent/FI50809C/fi
Priority to GB377275Aprioritypatent/GB1473428A/en
Priority to SE7500995Aprioritypatent/SE401719B/xx
Priority to DE19752504330prioritypatent/DE2504330A1/de
Priority to JP50015224Aprioritypatent/JPS50127034A/ja
Publication of FI740312A0publicationCriticalpatent/FI740312A0/fi
Publication of FI50809BpublicationCriticalpatent/FI50809B/fi
Priority to US05/696,821prioritypatent/US4036563A/en
Application grantedgrantedCritical
Publication of FI50809CpublicationCriticalpatent/FI50809C/fi