Process for the simplified packing of a magnetic tape for...

Process for the storing of drawing data by means of a cad...

Process for thermoremanent duplication of magnetic tapes

Process for treating ferromagnetic chromium dioxide

Process of erasing magnetic data

Process of forming a sound needle

Process of making sound records

Process of producing a magnetic recording element

Process of recording sound records

Processing image data

Processing of recorded data

Processing variable area film soundtracks

Producing a replicate video disc by a method of photographic...

Product packaging including digital data

Production of acicular magnetic iron oxides

Production of dvd cards and other discs of noncircular shape

Production of ferrimagnetic iron oxide

Production of finely divided acicular magnetic iron oxides

Production of magnetic ledger cards

Production of master recording media