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Patent certificate
专利证书

  • Diamond composite sheet with high thermal conductivity and preparation method thereof

  • Test and evaluation method for impact toughness of diamond composite sheet

  • A polycrystalline diamond composite film and preparation method thereof

  • Polycrystalline diamond nozzle processing methods and products

  • One kinds of polycrystalline diamond compact

  • A method of processing shaped PDC

  • Processing methods and top parts

  • a polycrystalline diamond with surface modifications and the method for producing the same

  • Layer interfaces for composite structures PDC drill teeth

  • Tooth PDC

  • PDC drilling teeth

  • Polycrystalline diamond compact