BPS Philippine National Standard No. 2050-42007-ICS-2914030 (2011)
LAMPS AND RELATED EQUIPMENT – ENERGY LABELING REQUIREMENTS – PART 4: BALLASTS
(NAR) VOL. 22 NO. 1, JANUARY - MARCH 2011
[ BPS PHILIPPINE NATIONAL STANDARD 2050- 4:2007 ICS 29:140.30, February 17, 2011 ]
LAMPS AND RELATED EQUIPMENT – ENERGY LABELING REQUIREMENTS – PART 4: BALLASTS
Text Available at Office of the National Administrative Register, U.P. Law Complex, Diliman, Quezon City Date Filed: 17 February 2011