00318nam a2200121Ia 4500008004100000041001200041082001100053100001900064245006600083260003200149300000800181650000700189221030s9999    xx            000 0 und d  aEnglish  a105.23  aG. N. Patchett 0aAutomatic Voltage Regulators & Stabilizerscby G. N. Patchett  bPitman & SonsaLondonc1970  a586  aEE