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Application filed by Veikko MaekiniemifiledCriticalVeikko Maekiniemi
Priority to FI852919ApriorityCriticalpatent/FI81946C/en
Publication of FI852919A0publicationCriticalpatent/FI852919A0/en
Publication of FI852919LpublicationCriticalpatent/FI852919L/en
Application grantedgrantedCritical
Publication of FI81946BpublicationCriticalpatent/FI81946B/en
Publication of FI81946CpublicationCriticalpatent/FI81946C/en