000 00335nam a2200133Ia 4500
008 160710s1954 xx 000 0 und d
082 _a621.313 H 621 M
100 _aHEUMANN,GERHART W.
245 _aMAGNETIC CONTROL OF INDUSTRIAL MOTORS
250 _a2
260 _bJOHN WILEY & SONS, INC
_c1954
300 _a714
942 _2ddc
_cB
999 _c15931
_d15931