G - Physics – 11 – B
Patent
G - Physics
11
B
181/30, 35/45
G11B 33/06 (2006.01) G09B 5/06 (2006.01) G09B 21/00 (2006.01) G11B 3/40 (2006.01) G11B 25/04 (2006.01)
Patent
CA 1022471
Irvin Ronald D.
Johnson Reynold B.
LandOfFree
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