1 Prezentul standard stabile?te condi?iile tehnice specifice soneriilor ?i buzerelor destinate producerii de semnale sonore de scurt? durat?, montate ?n case de locuit, cl?diri publice ?i ?n locuri similare, a c?ror condi?ii tehnice generale, reguli ?i me
STAS 4264-1986 history
1986STAS 4264-1986 ELECTRIC BELLS AND BUZZERS Technicalrequirements for quality
1974STAS 4264-1974 Low voltago electrical equipment ELECTRIC BELLS AND BUZZERS Special technical requircments for qua- lity