Title:
Device for the production of pressure waves in liquids
United States Patent 3417747
Inventors:
Hilde, Beger
Publication Date:
12/24/1968
Export Citation:
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Primary Class:
601/168
Other Classes:
4/491
International Classes:
A61H33/02; A61H33/02
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US Patent References:
3138153Hydrotherapy apparatus
3065746Wall mounted hydrotherapy apparatus
2663178Pneumatic agitator for washing machines
1699198Aerating apparatus




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