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Application filed by Instytut Włókien NaturalnychfiledCriticalInstytut Włókien Naturalnych
Priority to PL381289ApriorityCriticalpatent/PL213867B1/pl
Publication of PL381289A1publicationCriticalpatent/PL381289A1/pl
Publication of PL213867B1publicationCriticalpatent/PL213867B1/pl