Prezentul standard se refer? la izolatoarele de poi?elan pentiu ancore folosite la liniile aeriene de energie electric? p?n? la 1 kV inclusiv ?i de teleccmrnica?n.
STAS 3187-1990 history
1990STAS 3187-1990 Overhead electric power lines up to 1 kv and for telecommunications. Porcelain insulators for stays