| 000 | 00386nam a2200121Ia 4500 | ||
|---|---|---|---|
| 082 |
_aIS Code _bB.I.S |
||
| 100 | _aBureau of Indian Standards[BIS] | ||
| 245 | _aIS:4912-1978. Indian standard safety requirements for floor and wall openings, railings and toe boards. | ||
| 260 |
_aNew Delhi _bBureau of Indian Standards _c1989 |
||
| 300 | _a10p. | ||
| 500 | _aENG | ||
| 890 | _aIndia | ||
| 999 |
_c19068 _d19068 |
||