| 000 | 00323nam a2200109Ia 4500 | ||
|---|---|---|---|
| 100 | _aIndian Standards Institution | ||
| 942 | _cBK | ||
| 245 | _aIndian standard abbreviations for use in technical drawings | ||
| 260 |
_aIndian Standards Institution, New Delhi _c1986 |
||
| 082 | _aIS:11670-1986 744.430148 I.S.I. | ||
| 300 | _a2 | ||
| 999 |
_c67111 _d67111 |
||