Search Results for: Paper printed for self recording apparatus
sheets, e.g. cards,] or wires (g b/ [n: g b/ ] take precedence; [n: bulk transferring of information magnetisation for re-recording g b/ ; marking record carriers in digital fashion g k)] {g b / } (class g b/ ) recording on, or reproducing or erasing from, magnetic discs (g b/ , g b/ take precedence)
specially adapted for manufacturing record carriers (processes involving a single technical art, in general, and for which provision exists elsewhere, see the relevant places, e.g. b , c , c d; apparatus or processes for applying homogeneous magnetic films to substrates in general h f / ) {g b / } (...
https://patents.justia.com/patents-by-us-classification/G9B