IS:3480-1966 Specification for flexible steel conducts for electrical wiring
Indian Standard Institution Manak Bhawan
IS:3480-1966 Specification for flexible steel conducts for electrical wiring - ISI Manak bhawan 1966 - 7
621.31924 / ISI
IS:3480-1966 Specification for flexible steel conducts for electrical wiring - ISI Manak bhawan 1966 - 7
621.31924 / ISI