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Application filed by Pekka Otto Sydaenmaeki, Kari Kalevi KyroefiledCriticalPekka Otto Sydaenmaeki
Priority to FI823386ApriorityCriticalpatent/FI66085C/en
Publication of FI823386A0publicationCriticalpatent/FI823386A0/en
Publication of FI66085BpublicationCriticalpatent/FI66085B/en
Application grantedgrantedCritical
Publication of FI66085CpublicationCriticalpatent/FI66085C/en