BE368906A - - Google Patents
Info
- Publication number
- BE368906A BE368906A BE368906DA BE368906A BE 368906 A BE368906 A BE 368906A BE 368906D A BE368906D A BE 368906DA BE 368906 A BE368906 A BE 368906A
- 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 |
|---|---|---|---|
| FR692380T | 1930-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE368906A true BE368906A (en:Method) |
Family
ID=9037365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE368906D BE368906A (en:Method) | 1930-03-20 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE368906A (en:Method) |
| FR (1) | FR692380A (en:Method) |
-
0
- BE BE368906D patent/BE368906A/xx unknown
-
1930
- 1930-03-20 FR FR692380D patent/FR692380A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR692380A (fr) | 1930-11-05 |