BE443921A - - Google Patents
Info
- Publication number
- BE443921A BE443921A BE443921DA BE443921A BE 443921 A BE443921 A BE 443921A BE 443921D A BE443921D A BE 443921DA BE 443921 A BE443921 A BE 443921A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J21/00—Vacuum tubes
- H01J21/02—Tubes with a single discharge path
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/46—Electroplating: Baths therefor from solutions of silver
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/02—Contacts characterised by the material thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J21/00—Vacuum tubes
- H01J21/20—Tubes with more than one discharge path; Multiple tubes, e.g. double diode, triode-hexode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/003—Tubes with plural electrode systems
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE271140X | 1940-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE443921A true BE443921A (en:Method) |
Family
ID=6003767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE443921D BE443921A (en:Method) | 1940-11-27 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE443921A (en:Method) |
| CH (2) | CH225657A (en:Method) |
| FR (1) | FR884058A (en:Method) |
| NL (1) | NL62821C (en:Method) |
-
0
- NL NL62821D patent/NL62821C/xx active
- BE BE443921D patent/BE443921A/xx unknown
-
1941
- 1941-10-03 CH CH225657D patent/CH225657A/de unknown
- 1941-12-22 FR FR884058D patent/FR884058A/fr not_active Expired
- 1941-12-24 CH CH227258D patent/CH227258A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH225657A (de) | 1943-02-15 |
| CH227258A (de) | 1943-05-31 |
| FR884058A (fr) | 1943-08-02 |
| NL62821C (en:Method) |