保存成功
保存失败
公开(公告)号:EP3887880A1
公开(公告)日:2021-10-06
申请号:EP19889245.7
申请日:2019-11-27
申请人: Go!Foton Holdings, Inc. , Takeuchi, Kenichiro , Chen, David Zhi , Ng, Chi Kong Paul , Jack, Edward M.
发明人: TAKEUCHI, Kenichiro , CHEN, David Zhi , NG, Chi Kong Paul , JACK, Edward M.
IPC分类号: G02B6/24 , G02B6/25 , G02B6/38