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Priority to FI964239ApriorityCriticalpatent/FI104309B1/sv
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Publication of FI964239ApublicationCriticalpatent/FI964239A/sv
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Publication of FI104309BpublicationCriticalpatent/FI104309B/sv
Publication of FI104309B1publicationCriticalpatent/FI104309B1/sv