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Application filed by Wojeweódzki Klub Techniki I RacjonalizacjifiledCriticalWojeweódzki Klub Techniki I Racjonalizacji
Priority to PL118763UpriorityCriticalpatent/PL65938Y1/en
Publication of PL118763U1publicationCriticalpatent/PL118763U1/en
Publication of PL65938Y1publicationCriticalpatent/PL65938Y1/en