BE393093A - - Google Patents
Info
- Publication number
- BE393093A BE393093A BE393093DA BE393093A BE 393093 A BE393093 A BE 393093A BE 393093D A BE393093D A BE 393093DA BE 393093 A BE393093 A BE 393093A
- 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 |
|---|---|---|---|
| SE747565X | 1931-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE393093A true BE393093A (en:Method) |
Family
ID=20323273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE393093D BE393093A (en:Method) | 1931-12-30 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE393093A (en:Method) |
| FR (1) | FR747565A (en:Method) |
-
0
- BE BE393093D patent/BE393093A/xx unknown
-
1932
- 1932-12-14 FR FR747565D patent/FR747565A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR747565A (fr) | 1933-06-20 |