TY  - GEN
ED  - BRITISH STANDARDS INSTITUTION
TI  - BS 4533 : Pt. 1 : 1971 : Specification for electric luminaires (lighting fittings)- pt.1 : general requirements and tests - Section 1.7 : provision for earthing
PY  - 1971///
CY  - London
PB  - British Standards institution
N1  - STD1508
ER  -