Manufacture of films and foil
United States Patent 2052695

Inventors:
Howarth, Chiverton Arthur
Publication Date:
09/01/1936
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Assignee:
Howarth, Chiverton Arthur
Primary Class:
264/76
Other Classes:
425/224, 264/212, 264/310, 264/175, 425/130
International Classes:
B29C47/04; B29C47/88