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Application filed by Erkki Johannes RuotsalainenfiledCriticalErkki Johannes Ruotsalainen
Priority to FI875494ApriorityCriticalpatent/FI83056C/en
Publication of FI875494A0publicationCriticalpatent/FI875494A0/en
Priority to AU32922/89Aprioritypatent/AU3292289A/en
Priority to PCT/FI1989/000046prioritypatent/WO1989009161A1/en
Publication of FI875494ApublicationCriticalpatent/FI875494A/en
Publication of FI83056BpublicationCriticalpatent/FI83056B/en
Application grantedgrantedCritical
Publication of FI83056CpublicationCriticalpatent/FI83056C/en