| http://www.w3.org/ns/prov#value | - No. 150,698, filed June 7, 1971, in the names of John G. Streiffert and Edward Muka and entitled DEVICE FOR SELECTIVELY REPRODUCING SOUND ON ONE OF A PLURALITY OF TRACKS. As shown in FIG. 3, the audio record 18 comprises a sheet of material, for example, a plastic material or a metallic material, such as aluminum, having applied to each surface thereof a coating or stripes 30 of a material for mag
|
