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Application filed by Rysti & Co AbfiledCriticalRysti & Co Ab
Priority to FI761115ApriorityCriticalpatent/FI57387C/fi
Priority to SE7606564Aprioritypatent/SE409689B/xx
Publication of FI761115A7publicationCriticalpatent/FI761115A7/fi
Publication of FI57387BpublicationCriticalpatent/FI57387B/fi
Application grantedgrantedCritical
Publication of FI57387CpublicationCriticalpatent/FI57387C/fi