portable telephones; telephone apparatus; notebook computers; tablet computers; video screens; cameras; optical lenses; camcorders; electric discharge tubes, other than for lighting; radios; spark pen, namely, an electronic pen that emits an electric discharge used in etching
portable telephones; telephone apparatus; notebook computers; tablet computers; video screens; cameras; optical lenses; camcorders; electric discharge tubes, other than for lighting; radios; spark pen, namely, an electronic pen that emits an electric discharge used in etching