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{config.cms_name} Home / Certification / Invention patent
ZHEJIANG FUTONG QUARTZ NEW MATERIALS CO., LTD.

Invention patent

  • ZL 2023 1 1855903.3

    ZL 2023 1 1855903.3

  • ZL 2023 1 1855901.4

    ZL 2023 1 1855901.4

  • ZL 2023 2 3324062.1

    ZL 2023 2 3324062.1

  • ZL 2023 2 3321131.3

    ZL 2023 2 3321131.3

  • ZL 2023 2 2052422.0

    ZL 2023 2 2052422.0

  • ZL 2023 2 2065733.0

    ZL 2023 2 2065733.0

  • ZL 2023 2 2039607.8

    ZL 2023 2 2039607.8

  • ZL 2023 2 2039654.2

    ZL 2023 2 2039654.2