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Method for collecting high-precision digital pulse width
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Method for high-precision digital frequency pulse output
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Power supply circuit for dynamic redundancy control
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Mouse with touch screen
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Special mask earphones for winter
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Multifunctional sound box
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Mosquito repelling sound box
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Keyboard with massage and storage functions
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Mouse with glove
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Mosquito repellent mouse
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Sound box with beauty makeup tool
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Lighting sound box with paper extraction box
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Saving pot sound box with fan
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Clip U disk with electronic watch
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