Transcribing apparatus
United States Patent 2378371
Inventors:
Tholstrup, Henry L.
Publication Date:
06/12/1945
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Assignee:
IBM
Primary Class:
Other Classes:
400/317, 400/260, 400/281, 234/29, 400/373, 400/308, 400/50
International Classes:
B41J5/38; B41J5/31