000 00288pam a2200121a 44500
082 _a621.381
_bP721i
100 _aPloeg, P. Van Der
245 1 _aINDUSTRIAL ELECTRONICS APPARATUS
260 _a
_bPhilips Technical Library
_c1960
300 _a97
964 _gCIRC
997 _a9654 s C
999 _c416696
_d416696