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Priority claimed from FI883942Aexternal-prioritypatent/FI78871C/fi
Application filed by Oksala Pekka Maksutekniikka OyfiledCriticalOksala Pekka Maksutekniikka Oy
Publication of NO910744D0publicationCriticalpatent/NO910744D0/no
Publication of NO910744LpublicationCriticalpatent/NO910744L/no
Publication of NO171338BpublicationCriticalpatent/NO171338B/no
Publication of NO171338CpublicationCriticalpatent/NO171338C/no