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Application filed by B P Badawcze Budownictwa MiastfiledCriticalB P Badawcze Budownictwa Miast
Priority to PL19640477ApriorityCriticalpatent/PL102639B1/pl
Publication of PL196404A1publicationCriticalpatent/PL196404A1/pl
Publication of PL102639B1publicationCriticalpatent/PL102639B1/pl