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Priority claimed from PL22194380Aexternal-prioritypatent/PL127639B1/pl
Priority claimed from PL22432780Aexternal-prioritypatent/PL224327A1/xx
Application filed by Politechnika Slaska Im WincentfiledCriticalPolitechnika Slaska Im Wincent
Priority claimed from EP81100857Aexternal-prioritypatent/EP0038907B1/de
Application grantedgrantedCritical
Publication of ATE13368T1publicationCriticalpatent/ATE13368T1/de