000 00428nam a2200157Ia 4500
008 230711s9999||||xx |||||||||||||| ||und||
041 _aENG
082 _a624
_bBU-I
100 _aBureau of Indian Standard
245 0 _aIS : 269 1989
_bOrdinary portland cement 83 grade specification
250 _a4th
260 _c1990
_aNew Delhi
_bBureau of Indian Standard
300 _a7
650 _aElectrical Engineering
942 _cBK
999 _c1485
_d1485