IS:1642-Code of practice for fine safety of buildings (General) : Materials & details of construction
I.S.I
IS:1642-Code of practice for fine safety of buildings (General) : Materials & details of construction - I.S.I 1961 - 38
690.0218 / ISI
IS:1642-Code of practice for fine safety of buildings (General) : Materials & details of construction - I.S.I 1961 - 38
690.0218 / ISI