Assignee

NAT INST OF METROLOGY

CN·1 granted patent·1 pending application·8 citations·filing 2008–2013

Technology mixA61B2 B29D1 G01J1 G01M1 G02B1

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2 records

0169US7742244B2Cylindrical model eye, cylindrical test device and the manufacturing method thereofNAT INST OF METROLOGY·Filed 2008·Granted Jun 22, 2010·8 cites·17 claims
0239US2015150451A1Device and method for visual threshold measurementNAT INST OF METROLOGY·Filed 2013·Application pending·0 cites

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