Title:
Sealed thermopiles
United States Patent 2703335


Inventors:
Andrus, Orrin E.
Application Number:
US34969653A
Publication Date:
03/01/1955
Filing Date:
04/20/1953
Assignee:
SMITH CORP A O
Primary Class:
Other Classes:
136/233, 374/E1.011
International Classes:
G01K1/08
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