| 000 | 00259nam a2200073 4500 | ||
|---|---|---|---|
| 080 |
_a _b |
||
| 245 | _aIS:2493 - 1963 : Specification for well-glass lighting fittings for use underground in mines (non-flameproof type) | ||
| 700 | _aINDIAN STANDARDS INSTITUTION | ||
| 260 |
_aNew Delhi _bBIS _c1963 |
||
| 300 | _a13p | ||
| 999 |
_c26562 _d26562 |
||