000 00464nam a2200169Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a621.3273021
_bIS:1534-1960(1)
110 _aIndian Standards Institution
245 _aSpecification for ballasts for fluorescent lamps
260 _aNew Delhi
_bISI
_c1960
300 _a32p.
650 _aFluorescent electric lighting
650 _aStandards
942 _cBK
999 _c81315
_d81315