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Application filed by Aimo Alvari Pinola, Raimo Louet, Martti Johannes ToppifiledCriticalAimo Alvari Pinola
Priority to FI217671ApriorityCriticalpatent/FI54652C/fi
Publication of FI54652BpublicationCriticalpatent/FI54652B/fi
Application grantedgrantedCritical
Publication of FI54652CpublicationCriticalpatent/FI54652C/fi