000 00406nam a2200121Ia 4500
082 _aIS CODE
_bI.S.I
100 _aIndian Standards Institution[ISI]
245 _aIS:2185-(Pt.1)-1979. Indian standard specification for concrete masonry units. Pt.1 : hollow and solid concrete blocks.
260 _aNew Delhi
_bIndian Standards Institution
_c1980
300 _a24p.
500 _aENG
890 _aIndia
999 _c18503
_d18503