Titlebook: Licht Als Wellenbewegung; L. Grebe,K. F. Herzfeld,H. Konen Book 1928 Springer-Verlag Berlin Heidelberg 1928 Elektromagnetismus.Energie.Mec

DOLT

Hot and cold bulk deformation processes,int for the manufacture of more complex products. . or . processes like ... which involve large scale plastic deformation are used for this purpose. Unlike sheet metal working where the changes in thickness are small, bulk deformation processes cause . in ., or . of the cast metal forms.

减少

Additive