IS:9142-1979. Indian standard specification for artificial lightweight aggregates for concrete masonry units.
Indian Standards Institution[ISI]
IS:9142-1979. Indian standard specification for artificial lightweight aggregates for concrete masonry units. - New Delhi Indian Standards Institution 1979 - 7p.
ENG
IS Code / I.S.I
IS:9142-1979. Indian standard specification for artificial lightweight aggregates for concrete masonry units. - New Delhi Indian Standards Institution 1979 - 7p.
ENG
IS Code / I.S.I