000 00239nam a2200097Ia 4500
008 160710s1951 xx 000 0 und d
245 _aELECTRICAL INDUSTRIAL INDUSTRY
260 _aLONDON
_bBENBROTRIC
_c1951
300 _a156
942 _2ddc
_cB
999 _c31640
_d31640