BEIJIN DESIGN INSTITUTE SINOPEC
Patent Owner
Stats
- 1 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Sep 07, 1993 most recent publication
Details
- 1 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 2 Total Citation Count
- Feb 21, 1991 Earliest Filing
- 0 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
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Technology
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