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Filing date
Publication date
Priority claimed from FI912266Aexternal-prioritypatent/FI912266A/en
Application filed by Esa Laitinen T MifiledCriticalEsa Laitinen T Mi
Priority to FI913858ApriorityCriticalpatent/FI88635C/en
Publication of FI913858A0publicationCriticalpatent/FI913858A0/en
Publication of FI913858ApublicationCriticalpatent/FI913858A/en
Application grantedgrantedCritical
Publication of FI88635BpublicationCriticalpatent/FI88635B/en
Publication of FI88635CpublicationCriticalpatent/FI88635C/en