| 000 | 00437nam a2200145 4500 | ||
|---|---|---|---|
| 008 | 190729b xxu||||| |||| 00| 0 eng d | ||
| 027 |
_aC.S. 125 : 1971 _q1971 |
||
| 041 | _aeng | ||
| 942 | _cSD | ||
| 110 | _aBUREAU OF CEYLON STANDARDS | ||
| 245 | _aCeylon Standards on recommended scales for Architectural, Engineering and Survey dra wings. | ||
| 260 |
_aColombo q _bBureau of Ceylon Standards |
||
| 300 | _a7p. | ||
| 500 | _aSTD2310 | ||
| 999 |
_c177833 _d177833 |
||