爱泼斯坦磁滞仪 Epsteinhysteresistester

爱普斯坦磁滞仪 Epstein hysteresis tester

磁滞测定仪 hysteresisograph

磁滞曲线记录仪 [仪] hysteresigraph

磁滞回线记录仪 hysteresisograph ; hysteresigraph

磁滞回线仪 hysteresiscope

磁滞曲线绘制仪 hysteresigraph