The story
Named after the inventor.
Etymology from Wiktionary, CC BY-SA 4.0.
Stiefel process
Today it means: A rotary piercing process, similar to the Mannesmann process, but using large conical disks instead of convex rollers. Full definition →
Today it means: A rotary piercing process, similar to the Mannesmann process, but using large conical disks instead of convex rollers. Full definition →
Named after the inventor.
Etymology from Wiktionary, CC BY-SA 4.0.