NL24431C - - Google Patents
Info
- Publication number
- NL24431C NL24431C NL24431DA NL24431C NL 24431 C NL24431 C NL 24431C NL 24431D A NL24431D A NL 24431DA NL 24431 C NL24431 C NL 24431C
- 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
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
- H01J9/042—Manufacture, activation of the emissive part
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
- B64C25/38—Alighting gear characterised by elements which contact the ground or similar surface endless-track type
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (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 |
|---|---|---|---|
| US281687XA | 1926-12-01 | 1926-12-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL24431C true NL24431C (https=) |
Family
ID=21841951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL24431D NL24431C (https=) | 1926-12-01 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB281687A (https=) |
| NL (1) | NL24431C (https=) |
-
0
- NL NL24431D patent/NL24431C/xx active
-
1927
- 1927-12-01 GB GB32421/27A patent/GB281687A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB281687A (en) | 1928-01-12 |