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Application filed by Kazimierz KleszczewskifiledCriticalKazimierz Kleszczewski
Priority to PL29256991ApriorityCriticalpatent/PL166745B1/en
Publication of PL292569A2publicationCriticalpatent/PL292569A2/en
Publication of PL166745B1publicationCriticalpatent/PL166745B1/en