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 FR FR711553D patent/FR711553A/fr not_active Expired
- 1931-02-19 DE DEV26424D patent/DE564175C/de 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 |