Inventor
CAI CHANGQING
CN3 patents
Patents
3 patentsUS11835378B2Dec 5, 2023
Automatic large-mass-weight handling system
NAT INSTITUTE OF METROLOGY0 citations46
US10378950B2Aug 13, 2019
High accuracy measuring device for measuring large mass
NAT INSTITUTE OF METROLOGY0 citations36
US10274362B2Apr 30, 2019
Measuring device for measuring large mass with optical refraction and displacement measuring
NAT INSTITUTE OF METROLOGY0 citations36