Title:
Variable magnet
United States Patent 3223898

Inventors:
Bey, Ahmet K.
Publication Date:
12/14/1965
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Assignee:
Frances, Budreck
Primary Class:
335/295
Other Classes:
335/306, 248/206.500
International Classes:
H01F7/02
US Patent References:
2972485Magnetic chuck
Foreign References:
FI23156A
DE881702C