DE127679C - - Google Patents
Info
- Publication number
- DE127679C DE127679C DENDAT127679D DE127679DA DE127679C DE 127679 C DE127679 C DE 127679C DE NDAT127679 D DENDAT127679 D DE NDAT127679D DE 127679D A DE127679D A DE 127679DA DE 127679 C DE127679 C DE 127679C
- Authority
- DE
- Germany
- Prior art keywords
- bell
- bells
- double
- same time
- lamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005086 pumping Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/28—Envelopes; Vessels
- H01K1/34—Double wall vessels
-
- 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
Landscapes
- Resistance Heating (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
DE127679C true DE127679C (enrdf_load_stackoverflow) |
Family
ID=396258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT127679D Active DE127679C (enrdf_load_stackoverflow) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE127679C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT127679D patent/DE127679C/de active Active
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