JPS61132831U - - Google Patents

Info

Publication number
JPS61132831U
JPS61132831U JP1532985U JP1532985U JPS61132831U JP S61132831 U JPS61132831 U JP S61132831U JP 1532985 U JP1532985 U JP 1532985U JP 1532985 U JP1532985 U JP 1532985U JP S61132831 U JPS61132831 U JP S61132831U
Authority
JP
Japan
Prior art keywords
light shielding
light
section
shielding plate
support
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
JP1532985U
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 JP1532985U priority Critical patent/JPS61132831U/ja
Publication of JPS61132831U publication Critical patent/JPS61132831U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)
JP1532985U 1985-02-07 1985-02-07 Pending JPS61132831U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1532985U JPS61132831U (enrdf_load_stackoverflow) 1985-02-07 1985-02-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1532985U JPS61132831U (enrdf_load_stackoverflow) 1985-02-07 1985-02-07

Publications (1)

Publication Number Publication Date
JPS61132831U true JPS61132831U (enrdf_load_stackoverflow) 1986-08-19

Family

ID=30501073

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1532985U Pending JPS61132831U (enrdf_load_stackoverflow) 1985-02-07 1985-02-07

Country Status (1)

Country Link
JP (1) JPS61132831U (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5810420B2 (ja) * 1974-06-04 1983-02-25 三菱電機株式会社 フンタイトソウヨウジユシソセイブツノ セイゾウホウ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5810420B2 (ja) * 1974-06-04 1983-02-25 三菱電機株式会社 フンタイトソウヨウジユシソセイブツノ セイゾウホウ

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