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Application filed by Warszawskie Zaklady PapierniczfiledCriticalWarszawskie Zaklady Papiernicz
Priority to PL20629678ApriorityCriticalpatent/PL111984B2/pl
Publication of PL206296A1publicationCriticalpatent/PL206296A1/pl
Publication of PL111984B2publicationCriticalpatent/PL111984B2/pl