IS:459-1992. Indian standard specification for corrugated and semi-corrugated asbestos cement sheets.
Indian Standards Institution[ISI]
IS:459-1992. Indian standard specification for corrugated and semi-corrugated asbestos cement sheets. - New Delhi Bureau of Indian Standards 1992 - 6p.
IS Code / B.I.S
IS:459-1992. Indian standard specification for corrugated and semi-corrugated asbestos cement sheets. - New Delhi Bureau of Indian Standards 1992 - 6p.
IS Code / B.I.S