Method and apparatus for embossing the inside surface of a cup-s
Method and apparatus for embossing the inside surface of a cup-s
Method and apparatus for forming spiral grooves internally in me
Method and apparatus for the corrugating of metal tubes
Method and device for rotating and machining bar material
Method for manufacturing tubes
Method for rolling tube blanks in a planetary skew rolling mill
Method for the inner profiling of tubes or pipes
Method of intermittent straightening of wire
Method of producing a heat transfer tube for single-phase flow
Methods of fabricating mechanized welding wire