Inventor
GAN YONGQUAN
CN3 patents
Patents
3 patentsUS11484982B2Nov 1, 2022
Online CNC machine tool geometric/thermal error measurement and compensation system
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US11333571B2May 17, 2022
Dynamic seal test device for cryogenic fluid medium
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US11294353B2Apr 5, 2022
Spindle thermal error compensation method insensitive to cooling system disturbance
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