JPH0440232U - - Google Patents

Info

Publication number
JPH0440232U
JPH0440232U JP8228890U JP8228890U JPH0440232U JP H0440232 U JPH0440232 U JP H0440232U JP 8228890 U JP8228890 U JP 8228890U JP 8228890 U JP8228890 U JP 8228890U JP H0440232 U JPH0440232 U JP H0440232U
Authority
JP
Japan
Prior art keywords
winding
light
sheet
support shaft
fresnel lens
Prior art date
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.)
Pending
Application number
JP8228890U
Other languages
English (en)
Japanese (ja)
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 JP8228890U priority Critical patent/JPH0440232U/ja
Publication of JPH0440232U publication Critical patent/JPH0440232U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)
JP8228890U 1990-08-02 1990-08-02 Pending JPH0440232U (cs)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8228890U JPH0440232U (cs) 1990-08-02 1990-08-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8228890U JPH0440232U (cs) 1990-08-02 1990-08-02

Publications (1)

Publication Number Publication Date
JPH0440232U true JPH0440232U (cs) 1992-04-06

Family

ID=31628963

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8228890U Pending JPH0440232U (cs) 1990-08-02 1990-08-02

Country Status (1)

Country Link
JP (1) JPH0440232U (cs)

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