Products and Technologies

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         2021/05/07 Progress of LP Record and Record Stylus
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          Stylus in the Age of SP
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          Principal of Cylinder Phonograph, Sound Groove and Stylus Tip
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          History of Stylus Tip and Gramophone Record
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         2021/05/06 The Story of Motor - Rule, principle and history -
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          What are Diamonds？: Synthesis of Diamonds
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          What are Diamonds?
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          Fiber Optic Connector types and applications
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          Issues in implementing Energy harvesting devices
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          The World’s Smallest Hollow Shaft Motor
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         2021/04/27 Silicon Photonics: Why is it essential for 5G?
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         2021/04/26 The Feature of Jewelry