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Priority claimed from PL24218083Aexternal-prioritypatent/PL139087B1/en
Application filed by Politechnika GdanskafiledCriticalPolitechnika Gdanska
Priority to PL24503083ApriorityCriticalpatent/PL140783B3/en
Publication of PL245030A3publicationCriticalpatent/PL245030A3/en
Publication of PL140783B3publicationCriticalpatent/PL140783B3/en
PL24503083A1983-05-241983-12-09Corrosion preventer in particular for protecting water boiler heat exchange tubes during standstill periods
PL140783B3
(en)