000 01143nam a2200361 a 4500
005 20250914083425.0
008 981208s1989 xxu 00 eng
010 _a88-82227
020 _a0818608293
035 _a528336
039 9 _y08-18-1999
_zload
090 _aTK6397.T88
090 _aTK6397
245 1 0 _aTutorial, digital private branch exchanges (PBXs)
_cedited by Edwin R. Coover
260 _aWashington, D.C.
_bIEEE computer Society
_c1989
300 _aix, 384 p. : ill. ; 28 cm.
504 _aBIbliography : p. 377-381
590 _a1
650 _aTelephone
_xPrivate branch exchanges
650 _aTelephone switching systems, Electronic
650 _aPrivate branch exchange telephone equipment industry
650 _aDigital electronics
700 1 _aCoover, Edwin R., 1942-
740 _aDigital private branch exchanges (PBXs)
907 _a.b1239614x
_b2021-05-28
_c2019-11-12
942 _c01
_n0
_kTK6397.T88
914 _avtls000247090
990 _agabai
991 _aFakulti Kejuruteraan
998 _al
_b1999-05-08
_cm
_da
_feng
_gxxu
_y0
_z.b1239614x
999 _c240894
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