CPC Subgroup
G11B 5/72 Protective coatings, e.g. anti-static
Full Title
Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (G11B11/00 take precedence) > Record carriers characterised by the selection of the material > Protective coatings, e.g. anti-static
5 direct subcodes
Child Classifications
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- G11B 5/725 containing a lubricant