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Application filed by Centrum Naukowo-Techniczne KolejnictwafiledCriticalCentrum Naukowo-Techniczne Kolejnictwa
Priority to PL368512ApriorityCriticalpatent/PL200488B1/en
Publication of PL368512A1publicationCriticalpatent/PL368512A1/en
Publication of PL200488B1publicationCriticalpatent/PL200488B1/en