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
Links
Landscapes
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Microscoopes, Condenser (AREA)
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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6437520A (en) * | 1987-07-31 | 1989-02-08 | Dainippon Screen Mfg | Lens for illuminance |
Citations (1)
| 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 |
-
1972
- 1972-07-07 JP JP1972079699U patent/JPS5438921Y2/ja not_active Expired
Patent Citations (1)
| 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)
| 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 |