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Safe monitoring device of current and voltage
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Copyright protecting method by network
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Bending-preventing column
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Ideal diode
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Instantaneous starter dc type of fluorescent lamp
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Inrush preventive rectifier circuit
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Cycloconverter
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Push-out bumper
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Ac electronic transformer
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Secondary cr control of induction motor
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J2 type fluorescent lamp electronic starter
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Electromagnetic diode
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Multiple tube type fluorescent lamp
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Single-phase induction motor for starting thyristor
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Distortionless rectifying circuit
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Fluorescent lamp electron starter c3 type
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Universal reluctance motor
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Manual transmission
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Double spot lighting of fluorescent lamp by diode
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Motorized plane with bit sharpening switch
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