Filter darkroom light
United States Patent 3405262

Inventors:
Dolan, James J.
Degenkolb, David J.
Publication Date:
10/08/1968
View Patent Images:
Assignee:
TEXTRON ELECTRONICS INC
Primary Class:
Other Classes:
362/295, 362/290, 362/803
International Classes:
G03B15/02; G03D17/00




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