73116751
Feb 23, 1977
Mar 31, 1981
Drive Motors and Parts Thereof; Crank Shafts; Axles, Parallel Lathers for Toolmakers; Dynamos; Electrical Alternators; Electrical Generators; Electric Machines and Machine Tools-Namely, Drilling Machines and Reaming Machines; Tapping Machines; Milling Machines, Screwing Machines and Coring Machines and Servo-Controls Therefor; Piercing Units; Universal Spindles for Machine Finishing
MachineryThermic Treatments and Superficial Hardening by High Frequency of Crank Shafts
Treatment of Materials