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Application filed by Bernard Grodkowski, Jan StenzelfiledCriticalBernard Grodkowski
Priority to PL11121000UpriorityCriticalpatent/PL61169Y1/en
Publication of PL111210U1publicationCriticalpatent/PL111210U1/en
Publication of PL61169Y1publicationCriticalpatent/PL61169Y1/en