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CN104682894A
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Audio power amplifier for voice recognition
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CN104682907A
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Attenuation tone feedback circuit for voice recognition
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CN104683912A
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Volume controller for use in voice recognition
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CN104682906A
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Attenuation tone controller used for speech recognition
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CN104682893A
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Audio power amplifying circuit for use in voice recognition
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CN104660517A
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Router with wire collection units
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CN104660516A
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Router with line concentrating shell
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CN104661455A
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Multi-functional cover for electronic device
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CN104643486A
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Multifunctional protective sleeve
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CN104660187A
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Power amplifying circuit used for loudspeaker of voice box
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CN104660189A
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Driving circuit of small-power D-type audio amplifier
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CN104660203A
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Filter circuit used for voice recognizer
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CN104659886A
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Battery charging circuit of notebook computer
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CN104661363A
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Sound-controlled backlight lamp circuit of computer keyboard
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CN104661365A
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Simple circuit of sound-control breathing lamp for mouse
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CN104661364A
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Voice control backlight simple circuit for keyboard
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