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公开(公告)号:US3306698A
公开(公告)日:1967-02-28
申请号:US37793564
申请日:1964-06-25
Applicant: LEITZ ERNST GMBH
Inventor: ROBERT MEES , KREIS WETZLAR , HERIBERT LUSSEM , WERNER HOLLE
CPC classification number: G03D15/043 , G03B21/32 , G03D15/00
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2.Reversible control switch for a slide projector having a slide position indicator 失效
Title translation: 具有滑动位置指示器的幻灯机的可逆控制开关公开(公告)号:US3171006A
公开(公告)日:1965-02-23
申请号:US14018761
申请日:1961-09-21
Applicant: LEITZ ERNST GMBH
Inventor: HANS MULCH , WALTER JUNG , HERIBERT LUSSEM
CPC classification number: G03B23/00 , G06M1/041 , H01H9/0214 , H01H9/165 , H01H19/001 , H01H19/62
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公开(公告)号:US3367231A
公开(公告)日:1968-02-06
申请号:US33761064
申请日:1964-01-14
Applicant: LEITZ ERNST GMBH
Inventor: GUNTHER MEINECKE , HERIBERT LUSSEM
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4.Motion picture projector operable on different a. c. sources 失效
Title translation: 电影投影机可以在不同的a上操作。 C。 来源公开(公告)号:US3140637A
公开(公告)日:1964-07-14
申请号:US11989261
申请日:1961-06-27
Applicant: LEITZ ERNST GMBH
Inventor: HELMUTH FRENK , HERIBERT LUSSEM , ROBERT MEES , KREIS WETZLAR
IPC: G03B19/18
CPC classification number: G03B19/18
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