BE726858A - - Google Patents
Info
- Publication number
- BE726858A BE726858A BE726858DA BE726858A BE 726858 A BE726858 A BE 726858A BE 726858D A BE726858D A BE 726858DA BE 726858 A BE726858 A BE 726858A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/26—Screens; Filters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
- H01K3/02—Manufacture of incandescent bodies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K7/00—Lamps for purposes other than general lighting
- H01K7/02—Lamps for purposes other than general lighting for producing a narrow beam of light; for approximating a point-like source of light, e.g. for searchlight, for cinematographic projector
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Carbon And Carbon Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US69896268A | 1968-01-18 | 1968-01-18 | |
| US69896368A | 1968-01-18 | 1968-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE726858A true BE726858A (en]) | 1969-06-16 |
Family
ID=27106313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE726858D BE726858A (en]) | 1968-01-18 | 1969-01-14 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE726858A (en]) |
| DE (1) | DE1901826A1 (en]) |
| FR (1) | FR2000389A1 (en]) |
| NL (1) | NL6900628A (en]) |
-
1969
- 1969-01-14 BE BE726858D patent/BE726858A/xx unknown
- 1969-01-15 NL NL6900628A patent/NL6900628A/xx unknown
- 1969-01-15 DE DE19691901826 patent/DE1901826A1/de active Pending
- 1969-01-17 FR FR6900760A patent/FR2000389A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR2000389A1 (fr) | 1969-09-05 |
| NL6900628A (en]) | 1969-07-22 |
| DE1901826A1 (de) | 1969-09-04 |