| 000 | 00381nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 130225s9999 xx 000 0 und d | ||
| 100 | _aIndian Standards Institution | ||
| 245 | _aSpecification for moderate heat duty fireclay refractories group `B' | ||
| 260 |
_aNew Delhi _c1953 |
||
| 300 | _a0.625 | ||
| 440 | _aIS-7; Indian Standards Instit | ||
| 901 | _a39944 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c7555 _d7555 |
||