Saved successfully
Save failed
Saved Successfully
Save Failed
公开(公告)号:US3539265A
公开(公告)日:1970-11-10
申请号:US3539265D
申请日:1967-07-20
Applicant: SOPELEM
Inventor: MARQUET ANDRE
IPC: F41G1/30 , G02B27/32 , G02B23/10
CPC classification number: F41G1/30 , G02B27/32