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 (https=
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 (https=)

Priority Applications (3)

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

Publications (2)

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

Family

ID=28008211

Family Applications (1)

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

Country Status (1)

Country Link
JP (1) JPS5339225Y2 (https=)

Citations (1)

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

Also Published As

Publication number Publication date
JPS5339225Y2 (https=) 1978-09-22

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