Method of making intaglio cylinders
United States Patent 2338558
Inventors:
Wickwire Jr., Arthur M.
Publication Date:
01/04/1944
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Export Citation:
Assignee:
INTERCHEM CORP
Primary Class:
Other Classes:
101/170, 427/256, 427/388.100, 101/401.200, 427/314
International Classes:
B41C1/18; B41N3/00; B41C1/00