000 00422nam a2200157Ia 4500
008 230711s9999||||xx |||||||||||||| ||und||
041 _aENG
082 _a720
_bBU-I
100 _aBureau of Indian Standard
245 0 _aIS : 1726 1991
_bCast iron manhole covers and frames specification
250 _a1st
260 _c1991
_aNew Delhi
_bBureau of Indian Standard
300 _a10
650 _aArchitecture
942 _cBK
999 _c2148
_d2148