| 000 | 00346nam a2200109Ia 4500 | ||
|---|---|---|---|
| 082 |
_aIS CODE _bB.I.S |
||
| 100 | _aBureau of Indian Standards[BIS] | ||
| 245 | _aIS:4097-1967. Indian standard specification for gravel for use as pack in tubewells. | ||
| 260 |
_aNew Delhi _bBureau of Indian Standards _c1992 |
||
| 300 | _a5p. | ||
| 890 | _aIndia | ||
| 999 |
_c18942 _d18942 |
||