Electromagnetic vibrator
United States Patent 3312841

Inventors:
Shinobu, Makino
Publication Date:
04/04/1967
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Assignee:
SHINKO ELECTRIC CO LTD
Primary Class:
310/15
Other Classes:
310/81, 310/28, 318/114, 310/17
International Classes:
H02K33/04; H02K33/00
Foreign References:
FR1214250A
GB726159A