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American National Standard for Electric Lamps—PAR and R Shapes

 

Status: Active
ANSI C78.21-2011   [BUY]

Covers lamps with clear, frosted and lens end bulbs, clear and prescription lenses, and with various reflector coatings. Lamps described in this standard may contain incandescent filament or a tungsten halogen inner bulb. .

 

Published Date: Oct.24.2011

Electronic Copy
$181 [BUY]
Hardcopy Price
$181 [BUY]


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ANSI C78.21-2011