JPS5816879Y2 - 製図用図板照明装置 - Google Patents

製図用図板照明装置

Info

Publication number
JPS5816879Y2
JPS5816879Y2 JP1978073979U JP7397978U JPS5816879Y2 JP S5816879 Y2 JPS5816879 Y2 JP S5816879Y2 JP 1978073979 U JP1978073979 U JP 1978073979U JP 7397978 U JP7397978 U JP 7397978U JP S5816879 Y2 JPS5816879 Y2 JP S5816879Y2
Authority
JP
Japan
Prior art keywords
ruler
light
drawing board
transverse beam
illumination device
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.)
Expired
Application number
JP1978073979U
Other languages
English (en)
Japanese (ja)
Other versions
JPS54176648U (enExample
Inventor
芳夫 村井
隆男 米沢
Original Assignee
マミヤ光機株式会社
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 by マミヤ光機株式会社 filed Critical マミヤ光機株式会社
Priority to JP1978073979U priority Critical patent/JPS5816879Y2/ja
Publication of JPS54176648U publication Critical patent/JPS54176648U/ja
Application granted granted Critical
Publication of JPS5816879Y2 publication Critical patent/JPS5816879Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
JP1978073979U 1978-05-31 1978-05-31 製図用図板照明装置 Expired JPS5816879Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1978073979U JPS5816879Y2 (ja) 1978-05-31 1978-05-31 製図用図板照明装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1978073979U JPS5816879Y2 (ja) 1978-05-31 1978-05-31 製図用図板照明装置

Publications (2)

Publication Number Publication Date
JPS54176648U JPS54176648U (enExample) 1979-12-13
JPS5816879Y2 true JPS5816879Y2 (ja) 1983-04-05

Family

ID=28987090

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1978073979U Expired JPS5816879Y2 (ja) 1978-05-31 1978-05-31 製図用図板照明装置

Country Status (1)

Country Link
JP (1) JPS5816879Y2 (enExample)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4836935U (enExample) * 1971-09-06 1973-05-04
JPS4923044U (enExample) * 1972-05-31 1974-02-27

Also Published As

Publication number Publication date
JPS54176648U (enExample) 1979-12-13

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