DE249733C - - Google Patents
Info
- Publication number
- DE249733C DE249733C DENDAT249733D DE249733DA DE249733C DE 249733 C DE249733 C DE 249733C DE NDAT249733 D DENDAT249733 D DE NDAT249733D DE 249733D A DE249733D A DE 249733DA DE 249733 C DE249733 C DE 249733C
- Authority
- DE
- Germany
- Prior art keywords
- colloidal
- precipitated
- acid
- threads
- sulfuric acid
- 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)
- Inorganic Compounds Of Heavy Metals (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE249733C true DE249733C (cs) |
Family
ID=508324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT249733D Active DE249733C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE249733C (cs) |
-
0
- DE DENDAT249733D patent/DE249733C/de active Active
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