NL279901A - - Google Patents
Info
- Publication number
- NL279901A NL279901A NL279901DA NL279901A NL 279901 A NL279901 A NL 279901A NL 279901D A NL279901D A NL 279901DA NL 279901 A NL279901 A NL 279901A
- Authority
- NL
- Netherlands
Links
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/50—Selection of substances for gas fillings; Specified pressure thereof
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/02—Incandescent bodies
- H01K1/04—Incandescent bodies characterised by the material thereof
- H01K1/10—Bodies of metal or carbon combined with other substance
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEN20230A DE1139207B (de) | 1961-06-22 | 1961-06-22 | Elektrische Gluehlampe mit einem Gluehkoerper aus einem hochschmelzenden Karbid |
Publications (1)
Publication Number | Publication Date |
---|---|
NL279901A true NL279901A (ko) |
Family
ID=7341201
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL279901D NL279901A (ko) | 1961-06-22 |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE1139207B (ko) |
GB (1) | GB976944A (ko) |
NL (1) | NL279901A (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004059174A1 (de) * | 2004-12-08 | 2006-06-14 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Glühlampe mit einem Leuchtkörper, der eine hochtemperaturbeständige Metallverbindung enthält |
JP2010530604A (ja) * | 2007-06-20 | 2010-09-09 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 炭化タンタルフィラメント電球及びその製造方法 |
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0
- NL NL279901D patent/NL279901A/xx unknown
-
1961
- 1961-06-22 DE DEN20230A patent/DE1139207B/de active Pending
-
1962
- 1962-06-19 GB GB2355762A patent/GB976944A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB976944A (en) | 1964-12-02 |
DE1139207B (de) | 1962-11-08 |