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Application filed by Aoke Allan JohanssonfiledCriticalAoke Allan Johansson
Priority to FI770873ApriorityCriticalpatent/FI55679C/en
Publication of FI770873ApublicationCriticalpatent/FI770873A/en
Publication of FI55679BpublicationCriticalpatent/FI55679B/en
Application grantedgrantedCritical
Publication of FI55679CpublicationCriticalpatent/FI55679C/en