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020 _a81-8355-090-8
082 _a621.402
_bG K
100 _aG K Pub
245 0 _aNtpc excutive trainess recuritment exam mechanical engineering
260 _aNoida :
_bG K Publication,
_c2011.
300 _a1200
365 _a540
650 _aMechanical Mechatronics Engineering
999 _c95410
_d95410