CPC Subgroup
G11B 5/133 with cores composed of particles, e.g. with dust cores, with ferrite cores
Full Title
Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (G11B11/00 take precedence) > Structure or manufacture of heads, e.g. inductive > with cores composed of particles, e.g. with dust cores, with ferrite cores
1 direct subcode
Child Classifications
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