000 00549nac a2200181 04500
001 CIA01000000000000000014460
005 20220227184248.0
008 991125c19911991mx 000 0 eng u
035 _a024133
050 0 4 _aTK 7872
_bN53 R4
245 1 0 _aReal time clock:
_bhandbook
260 _aEstados Unidos :
_bNational semiconductor,
_c1991
300 _a240 p. ;
_c23 cm.
650 4 _aRelojes -
_xManuales
903 _aLOGICAT
_b20
_c20040112
_lCIA01
_h1405
903 _aALEPH14
_b30
_c20051220
_lCIA01
_h1416
903 _c20141127
_lCIA01
_h2300
999 _c102153
_d102153