73317799
Jul 6, 1981
Jun 28, 1983
Photographic and Cinematographic Instruments-Namely, Cameras and Accessories; Optical Instruments for Measuring Distances, Angles and Radii of Curvature; Optical Fibre Light Guides; Optical Glass, Lamps and Lens; Microscopes; Light Sources in the Nature of Optical Fibres, and Structural Parts Thereof
Electrical and Scientific Apparatus