BE427494A - - Google Patents
Info
- Publication number
- BE427494A BE427494A BE427494DA BE427494A BE 427494 A BE427494 A BE 427494A BE 427494D A BE427494D A BE 427494DA BE 427494 A BE427494 A BE 427494A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/02—Contacts characterised by the material thereof
- H01H1/021—Composite material
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Contacts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB998937A GB493454A (en) | 1937-04-08 | 1937-04-08 | Improvements in or relating to contacts or contact tips for electric switches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE427494A true BE427494A (en:Method) |
Family
ID=9882487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE427494D BE427494A (en:Method) | 1937-04-08 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE427494A (en:Method) |
| FR (1) | FR836361A (en:Method) |
| GB (1) | GB493454A (en:Method) |
-
0
- BE BE427494D patent/BE427494A/xx unknown
-
1937
- 1937-04-08 GB GB998937A patent/GB493454A/en not_active Expired
-
1938
- 1938-04-08 FR FR836361D patent/FR836361A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR836361A (fr) | 1939-01-17 |
| GB493454A (en) | 1938-10-10 |