IS:4457-2007. Indian standard ceramic unglazed vitreous acid resisting tiles-specification (ICS 91.100.23) (Reffirmed 2005)
Bureau of Indian Standards[BIS]
IS:4457-2007. Indian standard ceramic unglazed vitreous acid resisting tiles-specification (ICS 91.100.23) (Reffirmed 2005) - New Delhi Bureau of Indian Standards 2007 - ii,19,iip.
IS CODE / B.I.S
IS:4457-2007. Indian standard ceramic unglazed vitreous acid resisting tiles-specification (ICS 91.100.23) (Reffirmed 2005) - New Delhi Bureau of Indian Standards 2007 - ii,19,iip.
IS CODE / B.I.S