Rotary-Vane Vacuum Pump, Two-Stage
电门铃
直流电源0 – 20 V, 0 – 5 A (230 V, 50/60 Hz)
直流电源0 – 20 V, 0 – 5 A (115 V, 50/60 Hz)
真空的钟形容器
真空管
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