IS:1161-1998. Indian standard steel tubes for structural purposes-specification.
Bureau of Indian Standards[BIS]
IS:1161-1998. Indian standard steel tubes for structural purposes-specification. - New Delhi Bureau of Indian Standards 2000 - 6p.
IS CODE / B.I.S
IS:1161-1998. Indian standard steel tubes for structural purposes-specification. - New Delhi Bureau of Indian Standards 2000 - 6p.
IS CODE / B.I.S