000 00680cam a2200157ua 4500
041 _aeng
_h
082 _a666.944
_bBUR/SP
110 1 _aBureau of Indian Standards .
_b
_c()
245 _aSpecification for portland-pozzolana cement 1489-1976 /
_cBureau of Indian Standards.
_hTextual Documents
250 _a1 /
_b.
260 _a :
_bBureau of Indian Standards ,
_c1988.
300 _a12 ; .
504 _a
942 _cBK
999 _c261684
_d261684