73264032
May 29, 1980
Jul 12, 1983
Electric Lamps-Namely, Metal Halide Light Sources per se, for Use in Fixtures, Having a Daylight Simulating Light Output, Used in Film and Video Tape Recording, Motion Picture, Television and Theatrical Illumination, Outdoors or in Studios, Large-Screen Slide Projection, Overhead Projection, Episcopes
Environmental Control Apparatus