IS:6497-1990. Indian standard method of test for the efficacy of preservatives and evaluating the natural durability of timbers used in cooling towers.
Bureau of Indian Standards[BIS]
IS:6497-1990. Indian standard method of test for the efficacy of preservatives and evaluating the natural durability of timbers used in cooling towers. - New Delhi Bureau of Indian Standards 1990 - 3p.
ENG
IS CODE / B.I.S
IS:6497-1990. Indian standard method of test for the efficacy of preservatives and evaluating the natural durability of timbers used in cooling towers. - New Delhi Bureau of Indian Standards 1990 - 3p.
ENG
IS CODE / B.I.S