000 00271nam a2200109Ia 4500
008 160710s1949 xx 000 0 und d
100 _aBINNS,J
245 _aFUNDAMENTALS OF RADIO VALVE TECHNIQUES
260 _bPHILLIPS GLACELNOP
_c1949
300 _a535
942 _2ddc
_cB
999 _c12493
_d12493