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020 _a9788171772346
040 _aNITIL
_cNITIL
082 _221st
_a346.0486
_bN218P
100 _aNarayanan, P
245 0 _aPatent law
_cP Narayanan
250 _a4th
260 _aNew Delhi
_bEastern Law House
_c2013
300 _a1021p.
650 _aPATENT LAW
942 _cBKS
999 _c76846
_d76846