| 000 | 005610000a22001570004500 | ||
|---|---|---|---|
| 245 | _aSRI LANKA STANDARD 409 : 1977 Specification for Engineering Drawing Practice : Pt. I - general principles : Pt. 2 - dimensioning & tolerancing of size : Pt. 3 - geometrical tolerencing | ||
| 110 | _aSri Lanka Standards Institution | ||
| 260 |
_aColombo _bSLS Institution _c1977 |
||
| 300 | _avarious paging | ||
| 650 |
_aa744:621.71 _b |
||
| 650 | _aSRI LANKA-STANDARDS | ||
| 650 | _aSTANDARDS-SRI LANKA | ||
| 650 | _aENGINEERING DRAWING | ||
| 041 | _aEN | ||
| 942 | _cBK | ||
| 999 |
_c72318 _d72318 |
||