IS:1293-1967 Specification for three pin plugs sochet millest
Indian Standard Institution Manak Bhawan
IS:1293-1967 Specification for three pin plugs sochet millest - ISI Manak bhawan 1967 - 28
IS:1293-1967 Specification for three pin plugs sochet millest - ISI Manak bhawan 1967 - 28