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Priority claimed from FI781803Aexternal-prioritypatent/FI58656C/en
Application filed by Finnish Chemicals OyfiledCriticalFinnish Chemicals Oy
Priority to FI792639ApriorityCriticalpatent/FI58164C/en
Publication of FI792639ApublicationCriticalpatent/FI792639A/en
Publication of FI58164BpublicationCriticalpatent/FI58164B/en
Application grantedgrantedCritical
Publication of FI58164CpublicationCriticalpatent/FI58164C/en