BE820427R - Perfectionnements relatifs a des lampes electriques a incandescence - Google Patents
Perfectionnements relatifs a des lampes electriques a incandescenceInfo
- Publication number
- BE820427R BE820427R BE148966A BE148966A BE820427R BE 820427 R BE820427 R BE 820427R BE 148966 A BE148966 A BE 148966A BE 148966 A BE148966 A BE 148966A BE 820427 R BE820427 R BE 820427R
- Authority
- BE
- Belgium
- Prior art keywords
- improvements relating
- electric lamps
- incandescent electric
- incandescent
- lamps
- Prior art date
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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5523073A GB1387240A (en) | 1973-11-28 | 1973-11-28 | Electric incandescent lamps |
Publications (1)
Publication Number | Publication Date |
---|---|
BE820427R true BE820427R (fr) | 1975-01-16 |
Family
ID=10473323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE148966A BE820427R (fr) | 1973-11-28 | 1974-09-27 | Perfectionnements relatifs a des lampes electriques a incandescence |
Country Status (12)
Country | Link |
---|---|
JP (1) | JPS5086187A (fr) |
AT (1) | AT351632B (fr) |
BE (1) | BE820427R (fr) |
CA (1) | CA985359A (fr) |
CH (1) | CH607326A5 (fr) |
DE (1) | DE2452029C3 (fr) |
FR (1) | FR2252651B2 (fr) |
GB (1) | GB1387240A (fr) |
IT (1) | IT1046818B (fr) |
NL (1) | NL181158C (fr) |
SE (1) | SE396670B (fr) |
ZA (1) | ZA745614B (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8302494D0 (en) * | 1983-01-29 | 1983-03-02 | Emi Plc Thorn | Tungsten halogen incandescent lamps |
-
1973
- 1973-11-28 GB GB5523073A patent/GB1387240A/en not_active Expired
- 1973-12-11 SE SE7316709A patent/SE396670B/xx unknown
-
1974
- 1974-07-03 CA CA203,907A patent/CA985359A/en not_active Expired
- 1974-09-04 ZA ZA00745614A patent/ZA745614B/xx unknown
- 1974-09-25 IT IT27693/74A patent/IT1046818B/it active
- 1974-09-27 BE BE148966A patent/BE820427R/fr active
- 1974-10-01 CH CH1320574A patent/CH607326A5/xx not_active IP Right Cessation
- 1974-10-18 AT AT838774A patent/AT351632B/de not_active IP Right Cessation
- 1974-11-02 DE DE2452029A patent/DE2452029C3/de not_active Expired
- 1974-11-27 FR FR7438884A patent/FR2252651B2/fr not_active Expired
- 1974-11-28 NL NLAANVRAGE7415561,A patent/NL181158C/xx not_active IP Right Cessation
- 1974-11-28 JP JP49137664A patent/JPS5086187A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
SE396670B (sv) | 1977-09-26 |
FR2252651A2 (fr) | 1975-06-20 |
DE2452029B2 (de) | 1979-05-31 |
SE7316709L (fr) | 1975-05-29 |
DE2452029A1 (de) | 1975-06-05 |
NL181158B (nl) | 1987-01-16 |
NL7415561A (nl) | 1975-05-30 |
ATA838774A (de) | 1979-01-15 |
IT1046818B (it) | 1980-07-31 |
JPS5086187A (fr) | 1975-07-11 |
GB1387240A (en) | 1975-03-12 |
CH607326A5 (fr) | 1978-12-15 |
DE2452029C3 (de) | 1980-01-24 |
FR2252651B2 (fr) | 1978-12-08 |
AT351632B (de) | 1979-08-10 |
AU7335974A (en) | 1976-03-18 |
NL181158C (nl) | 1987-06-16 |
CA985359A (en) | 1976-03-09 |
ZA745614B (en) | 1975-11-26 |
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