BE362149A - - Google Patents
Info
- Publication number
- BE362149A BE362149A BE362149DA BE362149A BE 362149 A BE362149 A BE 362149A BE 362149D A BE362149D A BE 362149DA BE 362149 A BE362149 A BE 362149A
- Authority
- BE
- Belgium
- Prior art keywords
- desc
- page number
- clms page
- clms
- page
- Prior art date
Links
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
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
Landscapes
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Photoreceptors In Electrophotography (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
- Developing Agents For Electrophotography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE362149T | 1929-07-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE362149A true BE362149A (enrdf_load_html_response) | 1929-08-31 |
Family
ID=35110
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE362149D BE362149A (enrdf_load_html_response) | 1929-07-10 | 1929-07-10 |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE362149A (enrdf_load_html_response) |
-
1929
- 1929-07-10 BE BE362149D patent/BE362149A/fr unknown
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