JPS4851329U - - Google Patents

Info

Publication number
JPS4851329U
JPS4851329U JP9481071U JP9481071U JPS4851329U JP S4851329 U JPS4851329 U JP S4851329U JP 9481071 U JP9481071 U JP 9481071U JP 9481071 U JP9481071 U JP 9481071U JP S4851329 U JPS4851329 U JP S4851329U
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP9481071U
Other languages
Japanese (ja)
Other versions
JPS5350433Y2 (cs
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1971094810U priority Critical patent/JPS5350433Y2/ja
Priority to US05/205,832 priority patent/US4002408A/en
Priority to DE2212502A priority patent/DE2212502C3/de
Publication of JPS4851329U publication Critical patent/JPS4851329U/ja
Application granted granted Critical
Publication of JPS5350433Y2 publication Critical patent/JPS5350433Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)
JP1971094810U 1971-10-14 1971-10-14 Expired JPS5350433Y2 (cs)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1971094810U JPS5350433Y2 (cs) 1971-10-14 1971-10-14
US05/205,832 US4002408A (en) 1971-10-14 1971-12-10 System and device for overhead projection
DE2212502A DE2212502C3 (de) 1971-10-14 1972-03-15 Überkopfprojektor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1971094810U JPS5350433Y2 (cs) 1971-10-14 1971-10-14

Publications (2)

Publication Number Publication Date
JPS4851329U true JPS4851329U (cs) 1973-07-04
JPS5350433Y2 JPS5350433Y2 (cs) 1978-12-02

Family

ID=28008210

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1971094810U Expired JPS5350433Y2 (cs) 1971-10-14 1971-10-14

Country Status (1)

Country Link
JP (1) JPS5350433Y2 (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5484725A (en) * 1972-05-18 1979-07-05 Gakken Co Ltd Projecting method that can project on vertical surface and projecting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5484725A (en) * 1972-05-18 1979-07-05 Gakken Co Ltd Projecting method that can project on vertical surface and projecting device

Also Published As

Publication number Publication date
JPS5350433Y2 (cs) 1978-12-02

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