IS:7319-1974. Indian standard specification for perforated concrete pipes.
Indian Standards Institution[ISI]
IS:7319-1974. Indian standard specification for perforated concrete pipes. - New Delhi Indian Standards Institution 1983 - 13p.
ENG
IS Code / I.S.I
IS:7319-1974. Indian standard specification for perforated concrete pipes. - New Delhi Indian Standards Institution 1983 - 13p.
ENG
IS Code / I.S.I