000 00523 a2200169 4500
003 NUST
005 20230725090538.0
040 _cNust
082 _a621.38151,ELE
100 _aNV Philips
_9113792
245 _aPocketbook 1969:
_bElectron tube semiconductors integrated circuits components materials /
_cNV Philips
260 _c1969
300 _avarious paging
505 _aElectronic Tube (Page-B1), Components and Materials (Page-C1).
650 _aTelecommunication engineering
942 _2ddc
_cBK
_k621.38151,ELE
999 _c190604
_d190604