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A kind of based on variable-resistance DC DC change-over circuit
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A kind of line rectification change-over circuit connected based on resistance single line
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A kind of AC DC change-over circuit based on digital control circuit
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A kind of voltage follower circuit based on Digital Circuit Control
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A kind of AC DC change-over circuit of continuous transformation
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A kind of multipurpose protection equipment of voltage controlable electric current digital control circuit
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A kind of controlled rectification output commutating voltage circuit
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A kind of LED light emitting diode
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A kind of production technology of LED light emitting diode
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A kind of optimized production process of diode
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A kind of simple numerical control system
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