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| 005 | 20250717121213.0 | ||
| 008 | 250401s1972 xx 000 0 hin d | ||
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| 245 | 0 | _aPravastha Niyam Evam Unke Prayog | |
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_bRajasthan Hindi Granth Academi, Jaipur _c1972 |
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| 300 | _a294 | ||
| 650 | _aPhysics | ||
| 653 | _aPhysics:Pravastha:Niyam:Prayog | ||
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