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Priority claimed from BE0/214385Aexternal-prioritypatent/BE901564A/fr
Application filed by Int Ind Eng SprlfiledCriticalInt Ind Eng Sprl
Publication of FI860310A0publicationCriticalpatent/FI860310A0/fi
Publication of FI860310ApublicationCriticalpatent/FI860310A/fi
Publication of FI81745BpublicationCriticalpatent/FI81745B/fi
Application grantedgrantedCritical
Publication of FI81745CpublicationCriticalpatent/FI81745C/fi