BE387047A - - Google Patents
Info
- Publication number
- BE387047A BE387047A BE387047DA BE387047A BE 387047 A BE387047 A BE 387047A BE 387047D A BE387047D A BE 387047DA BE 387047 A BE387047 A BE 387047A
- 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
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE732899X | 1931-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE387047A true BE387047A (en(2012)) |
Family
ID=20319595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE387047D BE387047A (en(2012)) | 1931-03-11 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE387047A (en(2012)) |
| FR (1) | FR732899A (en(2012)) |
-
0
- BE BE387047D patent/BE387047A/xx unknown
-
1932
- 1932-03-09 FR FR732899D patent/FR732899A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR732899A (fr) | 1932-09-27 |