| 000 | 00272nam a2200073 4500 | ||
|---|---|---|---|
| 080 |
_a _b |
||
| 245 | _aIS: 8680 - 1978; Specification for Engineers' Drawing Instruments, Compass, Bow Pen, Double Knee Jointed with Sector Head Joints | ||
| 700 | _aINDIAN STANDARDS INSTITUTION | ||
| 260 |
_aNew Delhi _bBIS _c1978 |
||
| 300 | _a7p | ||
| 999 |
_c26696 _d26696 |
||