000 00343nam a2200121Ia 4500
008 220201s1965 xx 000 0 eng d
082 _bISI
100 _aI.S.I
245 0 _aSpecification for betumen mastic fr use in water proofing of roofs IS : 3037
260 _bIndian Standard Institute, Manak bhawan
_c1965
300 _a5
942 _2ddc
999 _c19912
_d19912