5 Utility Patents
#4 in Guiyang
#26,536 in China
#822,595 in the World
Forward Citations = 1
Company Filing History:

Nanjing Inst of Astronomical Optics & Tech Nat Astronomical Observatories Chinese Acad of Science
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#4 in Guiyang
#26,536 in China
#822,595 in the World
Company Filing History:

Get your Inventor Badge Today