| 000 | 005030000a22001810004500 | ||
|---|---|---|---|
| 999 |
_c65476 _d65476 |
||
| 027 |
_aSLS 269 : 1974 _q1974 |
||
| 041 | _aeng | ||
| 080 | _a681.432.3 | ||
| 942 | _cSD | ||
| 110 | _aBUREAU OF CEYLON STANDARDS | ||
| 245 | _aSLS 269 : 1974 : Specification for synthetic plastic spectacle frames (metric units) | ||
| 260 |
_aColombo _bBureau of Ceylon Standards _c1974 |
||
| 300 | _a17p. | ||
| 500 | _aSTD2488 | ||
| 650 | _aa681.432.3 | ||
| 650 | _aSRI LANKA-STANDARDS | ||
| 650 | _aSTANDARDS-SRI LANKA | ||