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Patents
Information Storage Based On Relative Movement Between Record Carrier And Transducer Patents
Recording By Mechanical Cutting, Deforming Or Pressing, E.g. Of Grooves Or Pits; Reproducing By Mechanical Sensing; Record Carriers Therefor G9b/11 [n: And G9b/13] Take Precedence; Recording By Cutting Or Deforming Using Laser Beam G9b/7, Using Electron Beam G9b/9.025) {g11b 3/00} Patents
Erasing Information, E.g. For Reuse Of Record Carrier {g11b 3/66} Patents (Class G9B/3.098)
Erasing Information, E.g. For Reuse Of Record Carrier {g11b 3/66} Patents (Class G9B/3.098)
There are no patents to show for this class.