IS Ceramic tiles -methods of test : determination of water absorption : IS :13630(P-2)-1992
BIS Bureau of Indian Standard
IS Ceramic tiles -methods of test : determination of water absorption : IS :13630(P-2)-1992 - 1990 - 9p.
IS Ceramic tiles -methods of test : determination of water absorption : IS :13630(P-2)-1992 - 1990 - 9p.