000 00312nam a2200109Ia 4500
008 180713s9999 xx 000 0 und d
082 _a624
_bISI-I
245 0 _aINDIAN STANDARD CODE OF PRACTIC E FOR CONCRETE MASONRY UNITS
_b: ISI NO 2185(PT.II)-1983
260 _aND
_bISI
_c1986
270 _aLUCKNOW
942 _cGB
999 _c2476
_d2476