NL31448C - - Google Patents
Info
- Publication number
- NL31448C NL31448C NL31448DA NL31448C NL 31448 C NL31448 C NL 31448C NL 31448D A NL31448D A NL 31448DA NL 31448 C NL31448 C NL 31448C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/40—Closing vessels
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES81708D DE500926C (de) | 1927-09-17 | 1927-09-17 | Vorrichtung zum Abtrennen von Vakuumgefaessen, insbesondere Gefaessen von Grossgleichrichtern, von der Pumpleitung, die an der Abtrennstelle nach beendetem Pumpvorgang durch ein einzuloetendes Verschlussstueck absperrbar ist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL31448C true NL31448C (he) |
Family
ID=7509814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL31448D NL31448C (he) | 1927-09-17 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE500926C (he) |
| NL (1) | NL31448C (he) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE974250C (de) * | 1948-10-02 | 1960-11-03 | Siemens Ag | Verfahren zum vakuumdichten Verschliessen von Metallgefaessen, z. B. von Eisengleichrichtern |
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0
- NL NL31448D patent/NL31448C/xx active
-
1927
- 1927-09-17 DE DES81708D patent/DE500926C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE500926C (de) | 1931-09-16 |