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Application filed by B P Badawcze Budownictwa OgolnfiledCriticalB P Badawcze Budownictwa Ogoln
Priority to PL19842077ApriorityCriticalpatent/PL108555B1/pl
Publication of PL198420A1publicationCriticalpatent/PL198420A1/pl
Publication of PL108555B1publicationCriticalpatent/PL108555B1/pl