HEB H.Ernault-Batignolles OP320 and OP420 Lathes. Operation and Maintenance Manual.
HEB (H. Ernault-Batignolles) OP320 and OP420 Lathes: Operation and Maintenance Manual with Sectional Diagrams.
HEB (H. Ernault-Batignolles) OP320 and OP420 Lathes: Operation and Maintenance Manual with Sectional Diagrams.