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Application filed by Gwiazda Jan B, Aleksander Stanislaw GwiazdafiledCriticalGwiazda Jan B
Priority to PL31349896ApriorityCriticalpatent/PL178972B1/en
Publication of PL313498A1publicationCriticalpatent/PL313498A1/en
Publication of PL178972B1publicationCriticalpatent/PL178972B1/en