[ 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
Date Filed: 17 February 2011