| 000 | 004610000a22001810004500 | ||
|---|---|---|---|
| 999 |
_c65670 _d65670 |
||
| 027 |
_aSLS 546 : 1981 _q1981 |
||
| 041 | _aeng | ||
| 080 | _a686.863.3 | ||
| 942 | _cSD | ||
| 110 | _aBUREAU OF CEYLON STANDARDS | ||
| 245 | _aSLS 546 : 1981 : Specification for general writing Lead pencils . | ||
| 260 |
_aColombo _bBCS _c1981 |
||
| 300 | _a11p. | ||
| 500 | _aSTD2740 | ||
| 650 | _aa686.863.3 | ||
| 650 | _aSRI LANKA-STANDARDS | ||
| 650 | _aSTANDARDS-SRI LANKA | ||