FR780770A - Verre anti-buée - Google Patents
Verre anti-buéeInfo
- Publication number
- FR780770A FR780770A FR780770DA FR780770A FR 780770 A FR780770 A FR 780770A FR 780770D A FR780770D A FR 780770DA FR 780770 A FR780770 A FR 780770A
- Authority
- FR
- France
- Prior art keywords
- fog glass
- fog
- glass
- 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
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C11/00—Non-optical adjuncts; Attachment thereof
- G02C11/08—Anti-misting means, e.g. ventilating, heating; Wipers
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Ophthalmology & Optometry (AREA)
- Optics & Photonics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR780770T | 1934-01-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR780770A true FR780770A (fr) | 1935-05-03 |
Family
ID=9205900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR780770D Expired FR780770A (fr) | 1934-01-24 | 1934-01-24 | Verre anti-buée |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR780770A (fr) |
-
1934
- 1934-01-24 FR FR780770D patent/FR780770A/fr not_active Expired
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