Title:
Pressure gauge
United States Patent 2447739
Inventors:
Courtney, Edward J.
Publication Date:
08/24/1948
Export Citation:
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Assignee:
Courtney, Edward J.
Primary Class:
73/732
International Classes:
G01L7/04; G01L7/02
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US Patent References:
1166070N/A
0697623N/A
0466547N/A