Machine and a method for fabricating a helicoidal tube
Machinery for welding helical-seam pipe from metal strip
Method and apparatus for forming a corrugated waveguide
Method and apparatus for forming heat exchanger tubes
Method and apparatus for manufacturing spiral pipe
Method and apparatus for producing a container body having a but
Method and press apparatus for manufacturing
Method of and device for manufacturing bands of steel
Mill for manufacturing bodies of multilayer high-pressure vessel
Multiple welding head system for fabricating pipe