BE414856A - - Google Patents
Info
- Publication number
- BE414856A BE414856A BE414856DA BE414856A BE 414856 A BE414856 A BE 414856A BE 414856D A BE414856D A BE 414856DA BE 414856 A BE414856 A BE 414856A
- Authority
- BE
- Belgium
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J1/22—Heaters
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE804874X | 1935-04-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE414856A true BE414856A (en:Method) |
Family
ID=6722212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE414856D BE414856A (en:Method) | 1935-04-10 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE414856A (en:Method) |
| FR (1) | FR804874A (en:Method) |
-
0
- BE BE414856D patent/BE414856A/xx unknown
-
1936
- 1936-04-10 FR FR804874D patent/FR804874A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR804874A (fr) | 1936-11-04 |