Title:
Explosion-proof lamp
United States Patent 3137804
Inventors:
Rubens, Harry S.
Publication Date:
06/16/1964
Assignee:
ENGELHARD HANOVIA INC
Other Classes:
313/323, 313/580, 362/267, 313/324
International Classes:
F21L14/00; F21V25/02; F21V25/12; F21V25/00