000 00413cam a2200145ua 4500
041 _aeng
_h
082 _a691.327
_bIND/CO
100 _aIndian Standard Institution, .
245 0 0 _aCode of practice for construction of hollow concrete black masonary,IS:2572-1963
260 _aNew Delhi :
_bIndian Standards Institution ,
_c1981.
300 _a20 ; .
504 _a
942 _cBK
999 _c258586
_d258586