JPS61124013U - - Google Patents

Info

Publication number
JPS61124013U
JPS61124013U JP598585U JP598585U JPS61124013U JP S61124013 U JPS61124013 U JP S61124013U JP 598585 U JP598585 U JP 598585U JP 598585 U JP598585 U JP 598585U JP S61124013 U JPS61124013 U JP S61124013U
Authority
JP
Japan
Prior art keywords
chart board
projection
chart
diffusive substance
diffusive
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.)
Granted
Application number
JP598585U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0435841Y2 (US20020193084A1-20021219-M00002.png
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 JP1985005985U priority Critical patent/JPH0435841Y2/ja
Publication of JPS61124013U publication Critical patent/JPS61124013U/ja
Application granted granted Critical
Publication of JPH0435841Y2 publication Critical patent/JPH0435841Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Optical Elements Other Than Lenses (AREA)
JP1985005985U 1985-01-19 1985-01-19 Expired JPH0435841Y2 (US20020193084A1-20021219-M00002.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985005985U JPH0435841Y2 (US20020193084A1-20021219-M00002.png) 1985-01-19 1985-01-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985005985U JPH0435841Y2 (US20020193084A1-20021219-M00002.png) 1985-01-19 1985-01-19

Publications (2)

Publication Number Publication Date
JPS61124013U true JPS61124013U (US20020193084A1-20021219-M00002.png) 1986-08-05
JPH0435841Y2 JPH0435841Y2 (US20020193084A1-20021219-M00002.png) 1992-08-25

Family

ID=30483006

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985005985U Expired JPH0435841Y2 (US20020193084A1-20021219-M00002.png) 1985-01-19 1985-01-19

Country Status (1)

Country Link
JP (1) JPH0435841Y2 (US20020193084A1-20021219-M00002.png)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5036568A (US20020193084A1-20021219-M00002.png) * 1973-08-03 1975-04-05
JPS5788401A (en) * 1980-11-21 1982-06-02 Nitto Electric Ind Co Ltd Diffusion plate

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5036568A (US20020193084A1-20021219-M00002.png) * 1973-08-03 1975-04-05
JPS5788401A (en) * 1980-11-21 1982-06-02 Nitto Electric Ind Co Ltd Diffusion plate

Also Published As

Publication number Publication date
JPH0435841Y2 (US20020193084A1-20021219-M00002.png) 1992-08-25

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