000 004920000a22001450004500
027 _aBS 4533 :Pt. 1 :Sec. 1.2 :1971
_q1971
041 _aeng
080 _a628.941.95:621.32
_b
942 _cSD
110 _aBRITISH STANDARDS INSTITUTION
245 _aBS 4533 : Pt. 1 : Section 1.2 : 1971 : Specification for electric luminaires : general requirements and tests : classification of luminaires
260 _aLondon
_bBRITISH STANDARDS INSTITUTION
_c1971
300 _a3p.
500 _aSTD1513
999 _c24954
_d24954