BS 4533 : Pt. 1 : Section 1.1: 1971 : Specification for electric luminaires (lighting fittings) - pt.1 : general requirements and tests- section 1.1 : definitions
- London British Standard Institution 1971
- 3p.
STD1514
BS 4533 :Pt. 1 :Sec. 1.1 1971
628.941.95:621.32 /
STD1514
BS 4533 :Pt. 1 :Sec. 1.1 1971
628.941.95:621.32 /