BE377481A - - Google Patents
Info
- Publication number
- BE377481A BE377481A BE377481DA BE377481A BE 377481 A BE377481 A BE 377481A BE 377481D A BE377481D A BE 377481DA BE 377481 A BE377481 A BE 377481A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/28—Envelopes; Vessels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K9/00—Lamps having two or more incandescent bodies separately heated
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT359766X | 1930-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE377481A true BE377481A (en:Method) |
Family
ID=3672724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE377481D BE377481A (en:Method) | 1930-02-19 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE377481A (en:Method) |
| DE (1) | DE564175C (en:Method) |
| FR (1) | FR711553A (en:Method) |
| GB (1) | GB359766A (en:Method) |
-
0
- BE BE377481D patent/BE377481A/xx unknown
-
1930
- 1930-02-25 GB GB35460/30A patent/GB359766A/en not_active Expired
-
1931
- 1931-02-19 DE DEV26424D patent/DE564175C/de not_active Expired
- 1931-02-19 FR FR711553D patent/FR711553A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR711553A (fr) | 1931-09-12 |
| DE564175C (de) | 1932-12-03 |
| GB359766A (en) | 1931-10-29 |