IS:4656-1988. Indian standard specification for form vibrators for concrete.
Indian Standards Institution[ISI]
IS:4656-1988. Indian standard specification for form vibrators for concrete. - New Delhi Indian Standards Institution 1983 - 10p.
ENG
IS Code / I.S.I
IS:4656-1988. Indian standard specification for form vibrators for concrete. - New Delhi Indian Standards Institution 1983 - 10p.
ENG
IS Code / I.S.I