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CN104640265A
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Intelligent power supply constant current source
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CN104579228A
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Oscillator with automatically switching dual-mode oscillating source
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CN104579343A
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Serial A/D converter circuit shared by double single chip microcomputers
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CN104579327A
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Device and oscillating circuit for regulating frequency by pulse width modulation
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CN104573898A
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Workflow management system based on knowledge
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CN104581540A
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Electronic fractional frequency amplifier
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CN104569919A
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Self-adaptive meter wave radar automatic frequency control system based on DDS technology
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CN104579284A
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Energy-saving semiconductor integrated circuit
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CN104581521A
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High-performance audio amplifier circuit
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CN104570708A
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Precise time measurement method
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CN104579198A
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Scanning power output device
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CN104571970A
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Printing control system
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CN104579195A
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Radio frequency power signal sampling and amplifying circuit
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CN104579205A
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Anti-interference infrared signal direct current amplifier
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CN104579543A
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Short-distance wireless communication error correcting method
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CN104571438A
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Time sequence improving circuit
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CN104579286A
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Simple touch switching circuit
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CN104579276A
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Silicon-controlled trigger signal generating device
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CN104571736A
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Stable framework of touch circuit
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CN104579204A
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Amplifying circuit of active highpass filter
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