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B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23B—TURNING; BORING
B23B7/00—Automatic or semi-automatic turning-machines with a single working-spindle, e.g. controlled by cams; Equipment therefor; Features common to automatic and semi-automatic turning-machines with one or more working-spindles
B23B7/02—Automatic or semi-automatic machines for turning of stock
Machine pour la fabrication de tubes du type présentant une série de déformations à profil hélicoidal pour échangeurs de température et applications analogues