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Electromechanical transducer
United States Patent 3117256
US Patent References:
Stylus operating means
- - 2351319
Pulsed sound system
- - 2648837
Printer bar and magnet structure
- - 2906582
Inventors:
Gamblin, Rodger L.
Publication Date:
01/07/1964
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Download PDF 3117256
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Assignee:
IBM
Primary Class:
335/223
Other Classes:
101/109, 346/141, 101/93.330, 335/282, 101/93.340, 234/108
International Classes:
B41J9/36
;
B41J9/00