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公开(公告)号：US2721031A
公开(公告)日：1955-10-18
申请号：US22810351
申请日：1951-05-24
Applicant: CIE RADIO CINEMA
Inventor： CESAR MATHIEU FREDERIC
IPC: G01J3/28
CPC classification number: G01J3/28
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公开(公告)号：US2686894A
公开(公告)日：1954-08-17
申请号：US22810251
申请日：1951-05-24
Applicant: CIE RADIO CINEMA
Inventor： CESAR MATHIEU FREDERIC
IPC: G01J3/06
CPC classification number: G01J3/06
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