JPS4851330U - - Google Patents

Info

Publication number
JPS4851330U
JPS4851330U JP9481171U JP9481171U JPS4851330U JP S4851330 U JPS4851330 U JP S4851330U JP 9481171 U JP9481171 U JP 9481171U JP 9481171 U JP9481171 U JP 9481171U JP S4851330 U JPS4851330 U JP S4851330U
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
JP9481171U
Other languages
Japanese (ja)
Other versions
JPS5339225Y2 (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 JP1971094811U priority Critical patent/JPS5339225Y2/ja
Priority to US05/205,832 priority patent/US4002408A/en
Priority to DE2212502A priority patent/DE2212502C3/de
Publication of JPS4851330U publication Critical patent/JPS4851330U/ja
Application granted granted Critical
Publication of JPS5339225Y2 publication Critical patent/JPS5339225Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)
JP1971094811U 1971-10-14 1971-10-14 Expired JPS5339225Y2 (cs)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1971094811U JPS5339225Y2 (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
JP1971094811U JPS5339225Y2 (cs) 1971-10-14 1971-10-14

Publications (2)

Publication Number Publication Date
JPS4851330U true JPS4851330U (cs) 1973-07-04
JPS5339225Y2 JPS5339225Y2 (cs) 1978-09-22

Family

ID=28008211

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1971094811U Expired JPS5339225Y2 (cs) 1971-10-14 1971-10-14

Country Status (1)

Country Link
JP (1) JPS5339225Y2 (cs)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4514548Y1 (cs) * 1967-03-29 1970-06-18

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4514548Y1 (cs) * 1967-03-29 1970-06-18

Also Published As

Publication number Publication date
JPS5339225Y2 (cs) 1978-09-22

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