我们的专利最近已在美国和日本批准。美国专利US 11,406,840 B2.
https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/11406840
我们的专利最近已在美国和日本批准。美国专利US 11,406,840 B2.
https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/11406840
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