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12 Layer Blind Via PCB
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China Patent Procurement
  • China Patent Procurement
  • There are three types of patent in China, including patent for invention, patent for utility model and patent for design. What is the patent duration, time for approval, and filing document? Read this article for details.
  • China Legal Express  [Verified]
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18650 Li-ion Battery Mosaic Power Bank 2600mah
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