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008 220421s9999||||xx |||||||||||||| ||und||
020 _c475
040 _aET
100 _aGUPTA J B
245 0 _aELECTRONIC DEVICES & CIRCUITS
260 _bS.KKHAN , M.Y.NA PUB.
_aNEW DELHI
300 _a1025
500 _a17248
942 _cBK
999 _c23479
_d23479