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Application filed by Kazimierz Steranczak, Marek SteranczakfiledCriticalKazimierz Steranczak
Priority to PL94304909ApriorityCriticalpatent/PL173644B1/en
Publication of PL304909A1publicationCriticalpatent/PL304909A1/en
Publication of PL173644B1publicationCriticalpatent/PL173644B1/en