IS:1200-(Pt.20)-1981. Indian standard method of measurement of building and civil engineering works. Pt.20 : laying of gas and oil pipe lines.
Bureau of Indian Standards[BIS]
IS:1200-(Pt.20)-1981. Indian standard method of measurement of building and civil engineering works. Pt.20 : laying of gas and oil pipe lines. - New Delhi Bureau of Indian Standards 1993 - 6p.
ENG
IS CODE / I.S.I
IS:1200-(Pt.20)-1981. Indian standard method of measurement of building and civil engineering works. Pt.20 : laying of gas and oil pipe lines. - New Delhi Bureau of Indian Standards 1993 - 6p.
ENG
IS CODE / I.S.I