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Application filed by Ludwig SchoeffelfiledCriticalLudwig Schoeffel
Application grantedgrantedCritical
Publication of AT193231BpublicationCriticalpatent/AT193231B/en
AT193231D1955-12-011955-12-01
Single-roller mixing and rubbing machine with a friction bar that can be adjusted against the roller by a pressure medium
AT193231B
(en)