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公开(公告)号:US3184863A
公开(公告)日:1965-05-25
申请号:US17776762
申请日:1962-03-06
Applicant: HACKL ALPHONS J
Inventor: HACKL ALPHONS J
IPC: G09B3/04
CPC classification number: G09B3/04
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52.Matrix for teaching device for selectively exposing and concealing stimuli 失效
Title translation: 用于选择性曝光和隐藏刺激的教学装置的矩阵公开(公告)号:US3174231A
公开(公告)日:1965-03-23
申请号:US24243362
申请日:1962-12-05
Applicant: ALEXANDER SCHURE
Inventor: ALEXANDER SCHURE
IPC: G09B3/04
CPC classification number: G09B3/04
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公开(公告)号:US3146532A
公开(公告)日:1964-09-01
申请号:US14582761
申请日:1961-10-18
Applicant: TEACHING MATERIAL CORP
Inventor: SHWISHA HAIM J , JULES NISENSON
IPC: G09B3/04
CPC classification number: G09B3/04
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公开(公告)号:US3137078A
公开(公告)日:1964-06-16
申请号:US14977861
申请日:1961-11-02
Applicant: TEACHING MACHINES INC
Inventor: CORNELL III DUDLEY E , O'CONNELL ROBERT A
IPC: G09B3/04
CPC classification number: G09B3/04
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55.Masking flap structure for removable attachment to notebook covers 失效
Title translation: 可拆卸附件到笔记本电脑外壳的遮盖板结构公开(公告)号:US3111775A
公开(公告)日:1963-11-26
申请号:US12522861
申请日:1961-07-19
Applicant: NAT BLANK BOOK CO
Inventor: STANLEY SCHADE FRANK
IPC: G09B3/04
CPC classification number: G09B3/04
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公开(公告)号:US3105307A
公开(公告)日:1963-10-01
申请号:US10084661
申请日:1961-04-05
Applicant: TEACHING MACHINES INC
Inventor: CORNELL III DUDLEY E
IPC: G09B3/04
CPC classification number: G09B3/04
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公开(公告)号:US3093913A
公开(公告)日:1963-06-18
申请号:US12515861
申请日:1961-07-19
Applicant: WYLLIE JOHN R , MANZELLA HENRY J
Inventor: WYLLIE JOHN R , MANZELLA HENRY J
IPC: G09B3/04
CPC classification number: G09B3/04
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公开(公告)号:US3032892A
公开(公告)日:1962-05-08
申请号:US12796261
申请日:1961-07-31
Applicant: PALMER ALEX D
Inventor: PALMER ALEX D
IPC: G09B3/04
CPC classification number: G09B3/04
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公开(公告)号:US2879608A
公开(公告)日:1959-03-31
申请号:US57738756
申请日:1956-04-10
Applicant: WATKINS STRATHMORE COMPANY
Inventor: WATKINS DANIEL H
IPC: G09B3/04
CPC classification number: G09B3/04
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公开(公告)号:US2852276A
公开(公告)日:1958-09-16
申请号:US62493756
申请日:1956-11-28
Applicant: SHRODE LEROY W
Inventor: SHRODE LEROY W
IPC: G09B3/04
CPC classification number: G09B3/04
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