000 005040000a22001450004500
027 _aBS 4533 : Pt. 1 : 1971
_q1971
041 _aeng
080 _a628.941.95:621.32
_b
942 _cSD
110 _aBRITISH STANDARDS INSTITUTION
245 _aBS 4533 : Pt. 1 : 1971 : Specification for electric luminaires (lighting fittings)- pt.1 : general requirements and tests - Section 1.7 : provision for earthing
260 _aLondon
_bBritish Standards institution
_c1971
300 _a3p.
500 _aSTD1508
999 _c24947
_d24947