38318 ⎘
Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes; Making tubes with riveted seams or with non-welded and non-soldered seams Tube treating or manipulating combined with or specially adapted for use in connection with tube-making machines, e.g. drawing-off devices, cutting-off
Tubular structures and knurling systems and methods of manufacture and use thereof
#2Tubular structures and knurling systems and methods of manufacture and use thereof
#3Pressing Method for Sealing Heat Pipe
#4Pipe body and forming method of the same