DE212104C - - Google Patents
Info
- Publication number
- DE212104C DE212104C DENDAT212104D DE212104DA DE212104C DE 212104 C DE212104 C DE 212104C DE NDAT212104 D DENDAT212104 D DE NDAT212104D DE 212104D A DE212104D A DE 212104DA DE 212104 C DE212104 C DE 212104C
- Authority
- DE
- Germany
- Prior art keywords
- tungsten
- molybdenum
- trioxyde
- filaments
- processed
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
- H01K3/02—Manufacture of incandescent bodies
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Glass Compositions (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE212104C true DE212104C (cs) |
Family
ID=473856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT212104D Active DE212104C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE212104C (cs) |
-
0
- DE DENDAT212104D patent/DE212104C/de active Active
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