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公开(公告)号:US3457627A
公开(公告)日:1969-07-29
申请号:US3457627D
申请日:1966-10-26
Applicant: KAHLE ENG CO
Inventor: NAPOR CARL A , ENGEL WILLIAM T , KRUMM CHARLES G
CPC classification number: G03B21/321 , Y10T29/49829 , Y10T29/5142 , Y10T29/53052 , Y10T29/53404 , Y10T29/53465 , Y10T29/53478
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公开(公告)号:US3499202A
公开(公告)日:1970-03-10
申请号:US3499202D
申请日:1967-10-10
Applicant: KAHLE ENG CO
Inventor: NAPOR CARL A , ENGEL WILLIAM T , KRUMM CHARLES G
CPC classification number: G03B21/43 , Y10T29/49829 , Y10T29/5142 , Y10T29/53465
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3.Method and means for perforating and exposing webs of film and paper 失效
Title translation: 用于执行和曝光电影和纸张的方法和手段公开(公告)号:US3466128A
公开(公告)日:1969-09-09
申请号:US3466128D
申请日:1965-12-16
Applicant: KAHLE ENG CO
Inventor: NAPOR CARL A , ENGEL WILLIAM T
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