000 00239nam a2200097Ia 4500
008 160710s1947 xx 000 0 und d
245 _aELECTRICAL INDUSTRICAL INDUSTY
260 _aLONDON
_bBENBROTRIC
_c1947
300 _a953
942 _2ddc
_cB
999 _c31639
_d31639