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| 005 | 20260205100039.0 | ||
| 008 | 260111s9999||||xx |||||||||||||| ||und|| | ||
| 082 | _a607 G341G | ||
| 100 | _aGhai suchitraok trust | ||
| 245 | 0 | _aGreat scientific inventions | |
| 260 |
_aNew Delhi _bLearner's press _c2001 |
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| 300 | _a193p. | ||
| 690 | _aINVENTIONS | ||
| 942 | _cBK | ||
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_c225305 _d225305 |
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