Associations of only turning-machines directed to a particular metal-working result (if the metal-working result is not essential B23Q39/00)

Full Title

General-purpose turning-machines or devices, e.g. centre lathes with feed rod and lead screw; Sets of turning-machines > Associations of only turning-machines directed to a particular metal-working result (if the metal-working result is not essential B23Q39/00)