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Application filed by B P Badawcze Budownictwa OgolnfiledCriticalB P Badawcze Budownictwa Ogoln
Priority to PL19760877ApriorityCriticalpatent/PL106906B1/pl
Publication of PL197608A1publicationCriticalpatent/PL197608A1/pl
Publication of PL106906B1publicationCriticalpatent/PL106906B1/pl