Sheet-bending machine for the manufacture of small-diameter cylinders by winding

P. M Nesvit, V. V. Ogol', G. V. Lunev, and A. A. Kudentsov, Inventor's Certificate No. 501805, Otkrytiya, Izobreteniya, Promyshlennye Obraztsy, Tovarnye Znaki, No. 5 (1976).Google Scholar