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SHUANGTU SU

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  • Hunan, CN
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Patents Applicationslast 30 patents

  • Information Patent Application

    WAFER SURFACE PROCESSING DEVICE
    • Publication number 20210305080
    • Publication date Sep 30, 2021
    • Hunan Sanan Semiconductor Co., Ltd.
    • JIE ZHANG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    CRYSTAL CENTERING AND CLAMPING DEVICE
    • Publication number 20210299822
    • Publication date Sep 30, 2021
    • Hunan Sanan Semiconductor Co., Ltd.
    • HONGTAI LIN
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS