JPS56117743U - - Google Patents

Info

Publication number
JPS56117743U
JPS56117743U JP1980015944U JP1594480U JPS56117743U JP S56117743 U JPS56117743 U JP S56117743U JP 1980015944 U JP1980015944 U JP 1980015944U JP 1594480 U JP1594480 U JP 1594480U JP S56117743 U JPS56117743 U JP S56117743U
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
JP1980015944U
Other languages
Japanese (ja)
Other versions
JPS6347866Y2 (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 JP1980015944U priority Critical patent/JPS6347866Y2/ja
Publication of JPS56117743U publication Critical patent/JPS56117743U/ja
Application granted granted Critical
Publication of JPS6347866Y2 publication Critical patent/JPS6347866Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)
JP1980015944U 1980-02-08 1980-02-08 Expired JPS6347866Y2 (https=)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1980015944U JPS6347866Y2 (https=) 1980-02-08 1980-02-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1980015944U JPS6347866Y2 (https=) 1980-02-08 1980-02-08

Publications (2)

Publication Number Publication Date
JPS56117743U true JPS56117743U (https=) 1981-09-09
JPS6347866Y2 JPS6347866Y2 (https=) 1988-12-09

Family

ID=29612379

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1980015944U Expired JPS6347866Y2 (https=) 1980-02-08 1980-02-08

Country Status (1)

Country Link
JP (1) JPS6347866Y2 (https=)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4830929A (https=) * 1971-08-24 1973-04-23
JPS4877830A (https=) * 1971-12-15 1973-10-19
US3791712A (en) * 1971-04-20 1974-02-12 Matsushita Electric Industrial Co Ltd Projection screen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3791712A (en) * 1971-04-20 1974-02-12 Matsushita Electric Industrial Co Ltd Projection screen
JPS4830929A (https=) * 1971-08-24 1973-04-23
JPS4877830A (https=) * 1971-12-15 1973-10-19

Also Published As

Publication number Publication date
JPS6347866Y2 (https=) 1988-12-09

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