JPS554801Y2 - - Google Patents

Info

Publication number
JPS554801Y2
JPS554801Y2 JP1974140001U JP14000174U JPS554801Y2 JP S554801 Y2 JPS554801 Y2 JP S554801Y2 JP 1974140001 U JP1974140001 U JP 1974140001U JP 14000174 U JP14000174 U JP 14000174U JP S554801 Y2 JPS554801 Y2 JP S554801Y2
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.)
Expired
Application number
JP1974140001U
Other languages
Japanese (ja)
Other versions
JPS5165852U (
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 JP1974140001U priority Critical patent/JPS554801Y2/ja
Publication of JPS5165852U publication Critical patent/JPS5165852U/ja
Application granted granted Critical
Publication of JPS554801Y2 publication Critical patent/JPS554801Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
JP1974140001U 1974-11-18 1974-11-18 Expired JPS554801Y2 ( )

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1974140001U JPS554801Y2 ( ) 1974-11-18 1974-11-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1974140001U JPS554801Y2 ( ) 1974-11-18 1974-11-18

Publications (2)

Publication Number Publication Date
JPS5165852U JPS5165852U ( ) 1976-05-24
JPS554801Y2 true JPS554801Y2 ( ) 1980-02-05

Family

ID=28416850

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1974140001U Expired JPS554801Y2 ( ) 1974-11-18 1974-11-18

Country Status (1)

Country Link
JP (1) JPS554801Y2 ( )

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990005924A1 (fr) * 1985-02-22 1990-05-31 Hiroshi Yamashita Dispositif d'eclairage

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50104646U ( ) * 1974-02-01 1975-08-28

Also Published As

Publication number Publication date
JPS5165852U ( ) 1976-05-24

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