Recording device
United States Patent 2282029

Inventors:
Bryce, James W.
Publication Date:
05/05/1942
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Assignee:
IBM
Primary Class:
396/556
Other Classes:
396/549, 347/232, 346/46, 235/58R
International Classes:
B26B21/38; G06K1/12; G06K7/12; G06K19/06; B26B21/08; G06K1/00