NL27736C - - Google Patents
Info
- Publication number
- NL27736C NL27736C NL27736DA NL27736C NL 27736 C NL27736 C NL 27736C NL 27736D A NL27736D A NL 27736DA NL 27736 C NL27736 C NL 27736C
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Coating By Spraying Or Casting (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE293694T | 1927-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL27736C true NL27736C (forum.php) |
Family
ID=31894051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL27736D NL27736C (forum.php) | 1927-07-09 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE352685A (forum.php) |
| FR (1) | FR656971A (forum.php) |
| GB (1) | GB293694A (forum.php) |
| NL (1) | NL27736C (forum.php) |
-
0
- NL NL27736D patent/NL27736C/xx active
- BE BE352685D patent/BE352685A/xx unknown
-
1928
- 1928-07-04 FR FR656971D patent/FR656971A/fr not_active Expired
- 1928-07-09 GB GB19848/28A patent/GB293694A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB293694A (forum.php) | 1929-10-09 |
| BE352685A (forum.php) | |
| FR656971A (fr) | 1929-05-15 |