Title:
Apparatus for manufacture of piezo-electric elements
United States Patent 2621624


Inventors:
Constantin, Chilowsky
Application Number:
US3938548A
Publication Date:
12/16/1952
Filing Date:
07/19/1948
Assignee:
Constantin, Chilowsky
Primary Class:
Other Classes:
118/319, 118/326, 310/348
International Classes:
H03H3/02
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