LSAW Pipe (Arc-Welding Pipe longitudinali submersa), etiam fistula SAWL dicta.Patellam ferream ut rudis materiam sumit, eam per machinam fingit, deinde duplex arcus glutino submersus est.Per hoc processum LSAW fistula ferrea optima ductilis, firma durities, uniformitas, ...
Lege plus