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Title:
ULTRASONIC DEVICES
United States Patent 3488851
Inventors:
Haydu, Zoltan
Publication Date:
01/13/1970
Export Citation:
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Assignee:
Zoltan, Haydu
Primary Class:
433/86
Other Classes:
310/26
International Classes:
A61C17/20; B23Q1/00; A61C17/16; B23Q1/00; (IPC1-7): A61C1/06; A61C3/03; H01V7/00
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US Patent References:
3368280Dental tool
3075288Dental instrument
2990616Ultrasonic cutting tool




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