JPS5438921Y2 - - Google Patents

Info

Publication number
JPS5438921Y2
JPS5438921Y2 JP1972079699U JP7969972U JPS5438921Y2 JP S5438921 Y2 JPS5438921 Y2 JP S5438921Y2 JP 1972079699 U JP1972079699 U JP 1972079699U JP 7969972 U JP7969972 U JP 7969972U JP S5438921 Y2 JPS5438921 Y2 JP S5438921Y2
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
JP1972079699U
Other languages
Japanese (ja)
Other versions
JPS4939437U (en
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 JP1972079699U priority Critical patent/JPS5438921Y2/ja
Publication of JPS4939437U publication Critical patent/JPS4939437U/ja
Application granted granted Critical
Publication of JPS5438921Y2 publication Critical patent/JPS5438921Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Microscoopes, Condenser (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
JP1972079699U 1972-07-07 1972-07-07 Expired JPS5438921Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1972079699U JPS5438921Y2 (en) 1972-07-07 1972-07-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1972079699U JPS5438921Y2 (en) 1972-07-07 1972-07-07

Publications (2)

Publication Number Publication Date
JPS4939437U JPS4939437U (en) 1974-04-06
JPS5438921Y2 true JPS5438921Y2 (en) 1979-11-19

Family

ID=27984915

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1972079699U Expired JPS5438921Y2 (en) 1972-07-07 1972-07-07

Country Status (1)

Country Link
JP (1) JPS5438921Y2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0731306B2 (en) * 1987-07-31 1995-04-10 大日本スクリ−ン製造株式会社 Lighting lens

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3609012A (en) * 1969-10-06 1971-09-28 Spindler & Sauppe Inc Optical condensing system with variable effective focal length

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3609012A (en) * 1969-10-06 1971-09-28 Spindler & Sauppe Inc Optical condensing system with variable effective focal length

Also Published As

Publication number Publication date
JPS4939437U (en) 1974-04-06

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