Title:
Spreading, extruding, or like operations
United States Patent 2052131

Inventors:
Chappell, Francis R.
Publication Date:
08/25/1936
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Assignee:
US RUBBER CO
Primary Class:
204/476
Other Classes:
118/640, 427/540, 204/623, 427/472, 118/415, 204/622
International Classes:
B29C70/68; C25B7/00; C25D13/22; B29C70/00