BE478459A - - Google Patents
Info
- Publication number
- BE478459A BE478459A BE478459DA BE478459A BE 478459 A BE478459 A BE 478459A BE 478459D A BE478459D A BE 478459DA BE 478459 A BE478459 A BE 478459A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
- H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
- G01N33/10—Starch-containing substances, e.g. dough
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Discharge Lamp (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Resistance Heating (AREA)
- Glass Compositions (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB268041X | 1944-06-14 | ||
| GB290645X | 1949-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE478459A true BE478459A (zh) |
Family
ID=26258439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE478459D BE478459A (zh) | 1944-06-14 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2431185A (zh) |
| BE (1) | BE478459A (zh) |
| CH (2) | CH268041A (zh) |
| DE (2) | DE810164C (zh) |
| FR (1) | FR957017A (zh) |
| GB (1) | GB581453A (zh) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1099721A (en) * | 1912-11-23 | 1914-06-09 | Gen Electric | Incandescent lamp. |
| US1468084A (en) * | 1919-01-18 | 1923-09-18 | Gen Electric | Device for incandescent lamps |
| US1622826A (en) * | 1924-11-29 | 1927-03-29 | Westinghouse Lamp Co | Gas-filled incandescent electric lamp with filament having increased strength |
-
0
- FR FR957017D patent/FR957017A/fr not_active Expired
- BE BE478459D patent/BE478459A/xx unknown
-
1944
- 1944-06-14 GB GB11370/44A patent/GB581453A/en not_active Expired
-
1945
- 1945-10-19 US US623440A patent/US2431185A/en not_active Expired - Lifetime
-
1947
- 1947-10-02 CH CH268041D patent/CH268041A/de unknown
-
1948
- 1948-12-24 DE DEP26560D patent/DE810164C/de not_active Expired
-
1950
- 1950-09-08 DE DEK6245A patent/DE924484C/de not_active Expired
- 1950-09-27 CH CH290645D patent/CH290645A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US2431185A (en) | 1947-11-18 |
| GB581453A (en) | 1946-10-14 |
| DE924484C (de) | 1955-03-03 |
| DE810164C (de) | 1951-08-06 |
| CH290645A (fr) | 1953-05-15 |
| CH268041A (de) | 1950-04-30 |
| FR957017A (zh) | 1950-02-13 |