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024 _a121797
037 _bGift, 20/02/2014,
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041 _2eng
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082 _aD65,5:4, Q2
100 _aSingh R.K
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245 0 _aFibre-optic communication systems .
260 _aNew Delhi
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300 _ax;360p
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650 _aGift
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942 _hD65,5:4, Q2
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999 _c758716
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