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BS 4533 : Pt. 1 : 1971 : Specification for electric luminaires (lighting fittings) - pt.1 : general requirements and tests - section 1.14 :nipples for lampholders - London British Standars Institution 1971 - 4p.

STD1532

BS 4533 : Pt. 1 : 1971

628.941.95:621.32 /

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