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Polycrystalline diamond compact with a double-layer structure

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Assignee: SF DIAMOND CO LTDPriority: Oct 14, 2021Filed: Oct 14, 2021Granted: Aug 29, 2023
Est. expiryOct 14, 2041(~15.2 yrs left)· nominal 20-yr term from priority
Inventors:Haijiang FangWeifeng DuYongfeng WangJian Yang
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PatentIndex Score
7
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CLAIM 
     
       The ornamental design for a polycrystalline diamond compact with a double layer structure, as shown and described.

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