LANTERN
United States Patent 3471849

Inventors:
Cheng, Wing G.
Publication Date:
10/07/1969
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Assignee:
MEYER MANUF CO LTD
Primary Class:
340/321
Other Classes:
362/190
International Classes:
F21L4/00; H05B39/09; H05B39/00; G08B23/00




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