NL9642C - - Google Patents
Info
- Publication number
- NL9642C NL9642C NL9642DA NL9642C NL 9642 C NL9642 C NL 9642C NL 9642D A NL9642D A NL 9642DA NL 9642 C NL9642 C NL 9642C
- 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
- H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
- H01J9/32—Sealing leading-in conductors
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (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 |
|---|---|---|---|
| DE538829X | 1920-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL9642C true NL9642C (de) |
Family
ID=6558308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL9642D NL9642C (de) | 1920-11-20 |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT90912B (de) |
| CH (1) | CH97339A (de) |
| FR (1) | FR538829A (de) |
| GB (1) | GB171974A (de) |
| NL (1) | NL9642C (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2278718A (en) * | 1993-06-01 | 1994-12-07 | Eldon Kai Choi Lee | Method of manufacture of a discharge tube |
-
0
- NL NL9642D patent/NL9642C/xx active
-
1921
- 1921-07-26 CH CH97339D patent/CH97339A/de unknown
- 1921-07-27 AT AT90912D patent/AT90912B/de active
- 1921-07-30 FR FR538829D patent/FR538829A/fr not_active Expired
- 1921-09-28 GB GB25699/21A patent/GB171974A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AT90912B (de) | 1923-01-25 |
| CH97339A (de) | 1923-01-16 |
| GB171974A (en) | 1922-06-29 |
| FR538829A (fr) | 1922-06-15 |