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公开(公告)号:US2265966A
公开(公告)日:1941-12-09
申请号:US28968839
申请日:1939-08-11
Applicant: LORENZ C AG
Inventor: RUDOLF GEBAUER
IPC: G01C5/00
CPC classification number: G01C5/005
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公开(公告)号:US2283004A
公开(公告)日:1942-05-12
申请号:US29263239
申请日:1939-08-30
Applicant: LORENZ C AG
Inventor: RUDOLF GEBAUER , VON TRAUBENBE HEINRICH FREIHER
IPC: H01J43/28
CPC classification number: H01J43/28
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