| 000 | 00383nam a2200145 4500 | ||
|---|---|---|---|
| 027 |
_aCS 157 : 1972 _q1972 |
||
| 041 | _aeng | ||
| 080 | _a744.3:621.7/.9 | ||
| 942 | _cSD | ||
| 110 | _aBUREAU OF CEYLON STANDARDS | ||
| 245 | _aCS 157 : 1972 : Specification for drawing boards (metric units) | ||
| 260 |
_aColombo _bBureau of Ceylon Standards |
||
| 300 | _a11p. | ||
| 500 | _aSTD2368 | ||
| 999 |
_c177896 _d177896 |
||