| 000 | 00324nam a2200109Ia 4500 | ||
|---|---|---|---|
| 008 | 220201s1963 xx 000 0 eng d | ||
| 100 | _aIndian Standard Institution | ||
| 245 | 0 | _aIS:2493 Specification for well glass lighting fitting the use underground in mines | |
| 260 |
_bDelhi:I.S.I _c1963 |
||
| 300 | _a13 | ||
| 942 | _2ddc | ||
| 999 |
_c74595 _d74595 |
||