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Priority claimed from CH244478Aexternal-prioritypatent/CH628588A5/en
Priority claimed from CH891778Aexternal-prioritypatent/CH633491A5/en
Application filed by Finkelstein OscarfiledCriticalFinkelstein Oscar
Application grantedgrantedCritical
Publication of AR218108A1publicationCriticalpatent/AR218108A1/en