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Application filed by B P Badawcze Budownictwa OgolnfiledCriticalB P Badawcze Budownictwa Ogoln
Priority to PL19804677ApriorityCriticalpatent/PL106886B1/en
Publication of PL198046A1publicationCriticalpatent/PL198046A1/en
Publication of PL106886B1publicationCriticalpatent/PL106886B1/en