Title:
Couch
United States Patent 2932038
Inventors:
Sprague, Arthur J.
Publication Date:
04/12/1960
Export Citation:
Assignee:
Sprague, Arthur J.
Primary Class:
Other Classes:
108/6, 108/16, 108/64, 601/24, 601/42
International Classes:
A61H1/02; A61H1/02
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