JPS6146482Y2 - - Google Patents

Info

Publication number
JPS6146482Y2
JPS6146482Y2 JP1980162730U JP16273080U JPS6146482Y2 JP S6146482 Y2 JPS6146482 Y2 JP S6146482Y2 JP 1980162730 U JP1980162730 U JP 1980162730U JP 16273080 U JP16273080 U JP 16273080U JP S6146482 Y2 JPS6146482 Y2 JP S6146482Y2
Authority
JP
Japan
Prior art keywords
fresnel lens
lens
magnifying glass
structural material
utility
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
JP1980162730U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5788101U (2
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 JP1980162730U priority Critical patent/JPS6146482Y2/ja
Publication of JPS5788101U publication Critical patent/JPS5788101U/ja
Application granted granted Critical
Publication of JPS6146482Y2 publication Critical patent/JPS6146482Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Lenses (AREA)
JP1980162730U 1980-11-15 1980-11-15 Expired JPS6146482Y2 (2)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1980162730U JPS6146482Y2 (2) 1980-11-15 1980-11-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1980162730U JPS6146482Y2 (2) 1980-11-15 1980-11-15

Publications (2)

Publication Number Publication Date
JPS5788101U JPS5788101U (2) 1982-05-31
JPS6146482Y2 true JPS6146482Y2 (2) 1986-12-27

Family

ID=29521565

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1980162730U Expired JPS6146482Y2 (2) 1980-11-15 1980-11-15

Country Status (1)

Country Link
JP (1) JPS6146482Y2 (2)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4946996U (2) * 1972-07-31 1974-04-24
JPS5063454U (2) * 1973-10-12 1975-06-09

Also Published As

Publication number Publication date
JPS5788101U (2) 1982-05-31

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