US PATENT SUBCLASS 346 / 74.5
.~ Magnetographic head

Current as of: June, 1999
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346 /   HD   RECORDERS

74.2  DF  MAGNETOGRAPHIC {5}
74.5.~ Magnetographic head

DEFINITION

Classification: 346/74.5

Magnetos:graphic head:

(under subclass 74.2) Subject matter wherein the specifics to the writing implement head are recited.