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Simple negative-voltage and boosting auxiliary power supply circuit, control method and switching power supply
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Circuit and method for improving power factor of power supply
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A kind of compression magnetic attracting device of transformer plug-in sheet machine
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A kind of pressing device of transformer plug-in sheet machine
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A kind of density wheel seat for reinforced toroidal transformer winding clamp
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A kind of light modulation toning circuit temperature of LED light
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Output short-circuit is by switch periods current-limiting protection circuit and electronic transformer
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A kind of integral type high temperature enamel removing machine
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A kind of metal wire automatic painting stripping device and its stripping method
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One kind can turn off the three-in-one light adjusting circuit of formula
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A kind of energy-efficient LLC start-up circuits
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A kind of lightening surge preventing protection circuit of LED street lamp
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A kind of short-circuit protection circuit
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A kind of doubleway output switch toning circuit temperature
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A kind of low exchange multiplex output circuit for intersecting adjustment power
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A kind of resonant switching power supply circuit of low peak voltage
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A kind of built-in driving non-pole light regulating toning circuit temperature and its method
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A kind of four-in-one light modulation protection circuit and its method
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A kind of constant current four-in-one light adjusting circuit and its method
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A kind of constant pressure light modulation four-in-one circuit and its method
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