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PCE
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CPC Subgroup
G11B 5/325

Erasing heads using permanent magnets (general details therefor G11B5/133 - G11B5/255)

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 > Erasing heads using permanent magnets (general details therefor G11B5/133 - G11B5/255)