000 00335nam a2200121Ia 4500
008 220201s1965 xx 000 0 eng d
082 _bISI
100 _aI.S.I
245 0 _aCode of practice for prepration & use of measonarymortars IS : 2250
260 _bIndian Standard Institute, Manak bhawan
_c1965
300 _a23
942 _2ddc
999 _c19907
_d19907