FR547478A - Micro-téléphone combiné - Google Patents
Micro-téléphone combinéInfo
- Publication number
- FR547478A FR547478A FR547478DA FR547478A FR 547478 A FR547478 A FR 547478A FR 547478D A FR547478D A FR 547478DA FR 547478 A FR547478 A FR 547478A
- Authority
- FR
- France
- Prior art keywords
- micro
- telephone handset
- handset
- telephone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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 |
---|---|---|---|
FR547478T | 1921-05-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR547478A true FR547478A (fr) | 1922-12-13 |
Family
ID=8934244
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR547478D Expired FR547478A (fr) | 1921-05-10 | 1921-05-10 | Micro-téléphone combiné |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR547478A (fr) |
-
1921
- 1921-05-10 FR FR547478D patent/FR547478A/fr not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR553457A (fr) | Téléphone | |
FR547478A (fr) | Micro-téléphone combiné | |
FI8473A (fi) | Barkningsjärn | |
FI8444A (fi) | Strömbrytare | |
SU4304A1 (ru) | Телефонна трансл ци | |
FI8468A (fi) | Vetoruoma | |
FI8461A (fi) | Förbränningskraftmaskin | |
FI8636A (fi) | Motorsläde | |
FI8635A (fi) | Inkapslad projektionsanordning | |
FI8630A (fi) | Förbränningsmotor | |
FI8592A (fi) | Rökapparat | |
FI8679A (fi) | Biljettförsäljningsanordning | |
FI8588A (fi) | Vätskekran | |
FI8584A (fi) | Gödselspridningsapparat | |
FI8575A (fi) | Gasutvecklingsapparat | |
FI8567A (fi) | Elektrisk strömbegränsare | |
FI8653A (fi) | Kvicksilvercell | |
FI8563A (fi) | Växellås | |
FI8553A (fi) | Ångtvättpanna | |
FI8547A (fi) | Självlåsande packlåda | |
FI8539A (fi) | Sänkbart fartyg | |
FI8535A (fi) | Vagnsfjäder | |
FI8534A (fi) | Rotationspump | |
FI8513A (fi) | Tobakspipa | |
FI8509A (fi) | Formämne |