Production of multilayer photographic materials
United States Patent 2941898

Inventors:
Ratcliffe, Wynn Norman
Publication Date:
06/21/1960
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Assignee:
ILFORD LTD
Primary Class:
Other Classes:
430/935, 427/445, 118/419, 118/412, 118/401
International Classes:
B29C47/88; G03C1/74