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      PATENTS AND AWARDS     


 
   

Awards

National Technology PrizeMunicipal Technology PrizeSpecial Contribution AwardStar Enterprise AwardISO9001 CertificateHi-Tech EnterpriseGold Prize of Invention (A)Gold Prize of Invention (B)

 

Patents

China ((ZL 02 1 06915.8)China (86 102269.6)China (85 1 01505.0)USA (4,678,546)USA (4,810,584)Europe (0196093)Japan (1935831)
 

   Title: The Process for Proving Lithium Tantalum
             Articles with Improved Wear Resistance

 

    Inventor:Liu,Yuzhong

 

    Patent Number: 85 1 01505.0

 

    Date of Application: Appri l, 1985             

 

    Date of Issued: July 21, 1988

 

Approved by the State Patent Office of People's Republic of China (the former State Intellectual Property Office of People's Republic of China)

 

 

 


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Invention Patent: China 85 1 01505.0