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Application filed by Krakowskie B P Badawcze BudownfiledCriticalKrakowskie B P Badawcze Budown
Priority to PL19620777ApriorityCriticalpatent/PL112530B1/pl
Publication of PL196207A1publicationCriticalpatent/PL196207A1/pl
Publication of PL112530B1publicationCriticalpatent/PL112530B1/pl