BE381382A - - Google Patents
Info
- Publication number
- BE381382A BE381382A BE381382DA BE381382A BE 381382 A BE381382 A BE 381382A BE 381382D A BE381382D A BE 381382DA BE 381382 A BE381382 A BE 381382A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/50—Selection of substances for gas fillings; Specified pressure thereof
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT359749X | 1930-08-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE381382A true BE381382A (en) |
Family
ID=3672723
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE381382D BE381382A (en) | 1930-08-08 |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE381382A (en) |
FR (1) | FR720985A (en) |
GB (1) | GB359749A (en) |
HU (1) | HU103551A (en) |
NL (1) | NL32014C (en) |
-
0
- NL NL32014D patent/NL32014C/xx active
- BE BE381382D patent/BE381382A/xx unknown
- HU HU103551D patent/HU103551A/hu unknown
-
1930
- 1930-11-10 GB GB33797/30A patent/GB359749A/en not_active Expired
-
1931
- 1931-08-03 FR FR720985D patent/FR720985A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR720985A (en) | 1932-02-26 |
GB359749A (en) | 1931-10-29 |
HU103551A (en) | |
NL32014C (en) |