BE422631A - - Google Patents
Info
- Publication number
- BE422631A BE422631A BE422631DA BE422631A BE 422631 A BE422631 A BE 422631A BE 422631D A BE422631D A BE 422631DA BE 422631 A BE422631 A BE 422631A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/21—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
- Calculators And Similar Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR485434X | 1936-11-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE422631A true BE422631A (en:Method) |
Family
ID=8903914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE422631D BE422631A (en:Method) | 1936-11-10 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE422631A (en:Method) |
| GB (1) | GB485434A (en:Method) |
-
0
- BE BE422631D patent/BE422631A/xx unknown
-
1937
- 1937-08-03 GB GB21412/37A patent/GB485434A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB485434A (en) | 1938-05-19 |