| 000 | 00346nam a2200109Ia 4500 | ||
|---|---|---|---|
| 008 | 210209s9999||||xx |||||||||||||| ||und|| | ||
| 100 |
_aBureau of Indian Standards. _923245 |
||
| 245 | 0 |
_aIS-269:1989-IS ordinary portland cement, 33 grand specification. _cBureau of Indian Standards. |
|
| 260 |
_aNew Delhi. _bBIS _c1989 |
||
| 300 | _a7p | ||
| 942 | _cREF | ||
| 999 |
_c65857 _d65857 |
||