000 00347nam a2200145Ia 4500
100 _aLANG J.G
020 _a3-8009-4009-4
650 _aCurrent,voltage and resistance
365 _cRS
365 _d1
942 _cDENGBK
245 _aCurrent,voltage and resistance
260 _bSiemens Aktiengesellschaft
_c1979
_aHeyden & son
300 _a71p
999 _c21411
_d21411