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Priority to PL20519278ApriorityCriticalpatent/PL108581B2/xx
Publication of PL205192A1publicationCriticalpatent/PL205192A1/pl
Publication of PL108581B2publicationCriticalpatent/PL108581B2/xx
PL20519278A1978-03-091978-03-09Method of regenerating pickling bath for copper surfaces,used specially for producing conductor tracks of printed circuits
PL108581B2
(en)