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method of manufacturing hollow bodies of revolution (like the support roller tractor) method of rolling billets of roller in the center between two rotating rolls with одновременн сближающимися line oh обрезкой ohблоя обрезными disks installed on the edge surfaces of a movable core teardown
method of manufacturing hollow bodies of revolution (like the support roller tractor) method of rolling billets of roller in the center between two rotating rolls with одновременн сближающимися line oh обрезкой ohблоя обрезными disks installed on the edge surfaces of a movable core teardown
