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Application filed by Opti Werk Gmbh & CofiledCriticalOpti Werk Gmbh & Co
Application grantedgrantedCritical
Publication of AT198220BpublicationCriticalpatent/AT198220B/en
AT198220D1956-01-171957-01-14
Starting part for screw-wire zip fasteners as well as method and device for its manufacture and application
AT198220B
(en)