United States Patent 2655893
Inventors:
Cox, Charles W.
Donovan, Francis A.
Frantz, John T.
Publication Date:
10/20/1953
Assignee:
AMERICAN VISCOSE CORP
Other Classes:
210/538, 73/40, 210/94, 137/559, 137/173, 73/53.050
International Classes:
G01M3/04