000 00313nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a621.3132 L2854
100 _aLANGSDORF,A.S
245 0 _aPRINCIPLES OF DIRECT CURRENT MACHINES
260 _aNEW YORK
_bMcGraw-Hill
_c1959
300 _a24X15
942 _cBK
_2DDC
999 _c10773
_d10773