| 000 | 004220000a22001570004500 | ||
|---|---|---|---|
| 999 |
_c65631 _d65631 |
||
| 027 |
_aSTD 515: 1981 _q1981 |
||
| 041 | _aeng | ||
| 942 | _cSD | ||
| 110 | _aBureau of Ceylon Standards, Colombo LK | ||
| 245 | _aSLS : 515 : 1981 : Specification for masonary cement | ||
| 260 |
_aColombo _bBCS _c1981 |
||
| 300 | _a24 p. | ||
| 650 | _aa666.94:691.54:69.012 | ||
| 650 | _aSRI LANKA-STANDARDS | ||
| 650 | _aSTANDARDS-SRI LANKA | ||