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Application filed by Kazimierz Krasiczynski, Franciszek Letowski, Jan KrasiczynskifiledCriticalKazimierz Krasiczynski
Priority to PL349937ApriorityCriticalpatent/PL191626B1/en
Publication of PL349937A1publicationCriticalpatent/PL349937A1/en
Publication of PL191626B1publicationCriticalpatent/PL191626B1/en