| 000 | 00344nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 220201s1969 xx 000 0 eng d | ||
| 082 | _bISI | ||
| 100 | _aI.S.I | ||
| 245 | 0 | _aRecommendations for symbolic designation of direction of clossing & IS : 4043 | |
| 260 |
_bIndian Standard Institute, Manak bhawan _c1969 |
||
| 300 | _a7 | ||
| 942 | _2ddc | ||
| 999 |
_c19861 _d19861 |
||