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Publication of AT219931BpublicationCriticalpatent/AT219931B/en
AT515260A1959-07-151960-07-05
Sheet metal flanging machine for producing flat or convex bottoms for tanks, boilers, containers or the like.
AT219931B
(en)
Process for straightening sheet metal, strips, pipes, profile parts or the like, as well as a roller straightening machine for carrying out the process