Analyzing device
United States Patent 2362004

Inventors:
Willy, Heidinger
Publication Date:
11/07/1944
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Assignee:
IBM
Primary Class:
235/429
Other Classes:
234/69, 340/825.220, 235/427, 250/208.400, 235/454, 101/93.280, 235/494
International Classes:
G06K19/08