Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filedfiledCritical
Priority to PL18940676ApriorityCriticalpatent/PL99525B1/pl
Publication of PL99525B1publicationCriticalpatent/PL99525B1/pl
Sposob wytwarzania elementow wypelnienia kolumn do wymiany masy i ciepla oraz do mieszania i element wypelnienia kolumn do wymiany masy i ciepla oraz do mieszania