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rubber insulated cables of rated voltages up to and including 450/750 v — part 9: single core non-sheathed cables for fixed wiring having low emission of smoke and corrosive gases _bar_ hd 22.9 s1: 1992 note 2.1 _bar_ date expired ( 1.7.1997) _bar_
condutores e cabos isolados com isolamento de borracha, de tensão nominal igual ou inferior a 450/750 v — parte 9: cabos monocondutores sem bainha para instalações fixas com baixa emissão de fumo e de gases corrosivos _bar_ hd 22.9 s1: 1992 nota 2.1 _bar_ expirou ( 1.7.1997) _bar_