Key latching and release mechanism
United States Patent 2720961
US Patent References:
Machine adapted for typing chinese ideographs
- - 2458339


Inventors:
Richard, Smith William
Publication Date:
10/18/1955
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Assignee:
IBM
Primary Class:
400/678
Other Classes:
235/145R, 400/666, 400/479
International Classes:
G06C21/04; G06C21/00