JPS4939437U - - Google Patents

Info

Publication number
JPS4939437U
JPS4939437U JP7969972U JP7969972U JPS4939437U JP S4939437 U JPS4939437 U JP S4939437U JP 7969972 U JP7969972 U JP 7969972U JP 7969972 U JP7969972 U JP 7969972U JP S4939437 U JPS4939437 U JP S4939437U
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.)
Granted
Application number
JP7969972U
Other languages
Japanese (ja)
Other versions
JPS5438921Y2 (cs
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

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

Priority Applications (1)

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

Applications Claiming Priority (1)

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

Publications (2)

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

Family

ID=27984915

Family Applications (1)

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

Country Status (1)

Country Link
JP (1) JPS5438921Y2 (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6437520A (en) * 1987-07-31 1989-02-08 Dainippon Screen Mfg Lens for illuminance

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6437520A (en) * 1987-07-31 1989-02-08 Dainippon Screen Mfg Lens for illuminance

Also Published As

Publication number Publication date
JPS5438921Y2 (cs) 1979-11-19

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