FR937935A - Lunettes polarisantes - Google Patents
Lunettes polarisantesInfo
- Publication number
- FR937935A FR937935A FR937935DA FR937935A FR 937935 A FR937935 A FR 937935A FR 937935D A FR937935D A FR 937935DA FR 937935 A FR937935 A FR 937935A
- Authority
- FR
- France
- Prior art keywords
- polarized glasses
- glasses
- polarized
- 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
Links
- 239000011521 glass Substances 0.000 title 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/12—Polarisers
Landscapes
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR937935T | 1946-12-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR937935A true FR937935A (fr) | 1948-08-31 |
Family
ID=9458200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR937935D Expired FR937935A (fr) | 1946-12-13 | 1946-12-13 | Lunettes polarisantes |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR937935A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3159844A (en) * | 1962-11-09 | 1964-12-08 | Samuel C Halpert | Electromagnetically controlled hood device for welding and cutting |
-
1946
- 1946-12-13 FR FR937935D patent/FR937935A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3159844A (en) * | 1962-11-09 | 1964-12-08 | Samuel C Halpert | Electromagnetically controlled hood device for welding and cutting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR944122A (fr) | Désintégrateur | |
| FR946955A (fr) | Détersifs | |
| FR937935A (fr) | Lunettes polarisantes | |
| FR941683A (fr) | Montre-stylographe | |
| FR933077A (fr) | Perfectionnements aux lunettes | |
| FR947917A (fr) | étui à lunettes | |
| FR937236A (fr) | Lunettes formant rétroviseur | |
| FR915142A (fr) | Lunettes stéréoscopiques | |
| FR54416E (fr) | Perfectionnements aux lunettes | |
| FR922497A (fr) | Passe-lentilles | |
| FR966007A (fr) | Objectifs apochromatiques pour lunettes | |
| FR56590E (fr) | Perfectionnements aux lunettes | |
| FI22865A (fi) | Enmedig kälke | |
| FR935882A (fr) | Perfectionnements apportés aux lunettes | |
| FI21626A (fi) | Kehräin | |
| FR938053A (fr) | Rétroviseur | |
| FR936675A (fr) | Miroir perfectionné | |
| FI21719A (fi) | Borr | |
| ES175108A2 (es) | Mejoras | |
| FI22233A (fi) | Suojalasit | |
| FR935619A (fr) | Portefeuille | |
| FR1001308A (fr) | Aiguise-lame | |
| FR924497A (fr) | Chronographe piézo-optique | |
| FI21441A (fi) | Gasfylld elektrisk glödlampa med dubbelspiralformig glödkropp | |
| FI21514A (fi) | Svetstransformator med seriekopplad reglerbar induktans |