73116756
Feb 23, 1977
Nov 4, 1980
Drive Motors and Parts Thereof; Crank Shafts; Axles; Parallel Lathes for Toolmakers; Dynamos; Electrical Alternators; Electrical Generators; Electrical Machines and Machine Tools and Servo-Controls Therefor with Such Machine Tools and Servo-Controls Being Sold as a Unit; Piercing Units; Universal Spindles for Machine Finishing
MachineryThermic Treatments and Superficial Hardening by High Frequency of Crank Shafts
Treatment of Materials