NL91733C - - Google Patents
Info
- Publication number
- NL91733C NL91733C NL91733DC NL91733C NL 91733 C NL91733 C NL 91733C NL 91733D C NL91733D C NL 91733DC NL 91733 C NL91733 C NL 91733C
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/34—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE325165X | 1953-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL91733C true NL91733C (xx) |
Family
ID=6182622
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7606348,A NL185447B (nl) | 1953-02-27 | Werkwijze ter bereiding van een bevochtigings- en schuimdempingsmiddel. | |
| NL91733D NL91733C (xx) | 1953-02-27 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7606348,A NL185447B (nl) | 1953-02-27 | Werkwijze ter bereiding van een bevochtigings- en schuimdempingsmiddel. |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2720139A (xx) |
| CH (1) | CH325165A (xx) |
| NL (2) | NL91733C (xx) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2826116A (en) * | 1955-05-24 | 1958-03-11 | Canon Camera Co | Photographic objective consisting of five lens elements |
| US2837009A (en) * | 1956-05-02 | 1958-06-03 | Farrand Optical Co Inc | Objective lens with short rear length |
| US2896506A (en) * | 1956-06-05 | 1959-07-28 | Nippon Kogaku Kk | High aperture wide-angle objective lens |
| US3066575A (en) * | 1960-09-12 | 1962-12-04 | Canon Camera Co | High aperture photographic objectives of a small angle of field |
| DE2315071C2 (de) * | 1973-03-27 | 1981-10-15 | Fa. Carl Zeiss, 7920 Heidenheim | Lichtstarkes Photoobjektiv aus mindestens fünf Linsengliedern |
| JPS5451826A (en) * | 1977-10-01 | 1979-04-24 | Olympus Optical Co Ltd | Photographic lens |
| JPS54104335A (en) * | 1978-02-02 | 1979-08-16 | Fuji Photo Optical Co Ltd | Modified gaussian lens |
| JPS572013A (en) * | 1980-06-06 | 1982-01-07 | Canon Inc | Small-sized lens for photograph |
| CN102787036B (zh) * | 2012-08-30 | 2014-04-30 | 何全东 | 一种多用途环保清洁膏及其制备方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE630224C (de) * | 1936-05-23 | Zeiss Ikon Akt Ges | Photographisches Objektiv | |
| US2106077A (en) * | 1935-11-23 | 1938-01-18 | Corp Of Jos Schneider & Co | Corrected objective |
| CH288791A (de) * | 1950-01-27 | 1953-02-15 | Voigtlaender Ag | Lichtstarkes Objektiv mit anastigmatisch geebnetem Gesichtsfeld. |
| CH291562A (de) * | 1950-07-20 | 1953-06-30 | Voigtlaender Ag | Lichtstarkes Objektiv mit anastigmatischer Bildfeldebnung. |
-
0
- NL NLAANVRAGE7606348,A patent/NL185447B/xx unknown
- NL NL91733D patent/NL91733C/xx active
-
1954
- 1954-02-22 CH CH325165D patent/CH325165A/de unknown
- 1954-02-26 US US412825A patent/US2720139A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2720139A (en) | 1955-10-11 |
| NL185447B (nl) | |
| CH325165A (de) | 1957-10-31 |