ELECTRIC LAMPS

services in connection with coating of tool surfaces other than machine tool surfaces using thermal spray high velocity oxygen fuel coatings and high velocity air fuel coatings, and services in connection with luminisation of tool surfaces other than machine tools, namely, tempering, annealing, quenching and hardening

APPLYING AN ANTI-REFLECTIVE COATING TO OPTICAL LENSES

CLEANING PREPARATION FOR OPTICAL LENSES

APPLYING COATING TO OPTICAL LENSES

OPHTHALMIC LENSES WITH ANTI-REFLECTIVE COATING