73228540
Aug 22, 1979
Jan 12, 1982
Blank Magnetic Tape for Video and Audio Recording on Reels and in Cassettes; Apparatus and Products for Cleaning and Maintaining Records and Tapes-Namely, Record Cleaning Arms, Record Stylus Cleaners, Record Antistatic Mats, Cassette Headcleaners, Open Reel Editing Blocks, Open Reel Splicing Tape, and Open Reel Leader Tape
Electrical and Scientific Apparatus