BG20256A1 - - Google Patents
Info
- Publication number
- BG20256A1 BG20256A1 BG1346169A BG1346169A BG20256A1 BG 20256 A1 BG20256 A1 BG 20256A1 BG 1346169 A BG1346169 A BG 1346169A BG 1346169 A BG1346169 A BG 1346169A BG 20256 A1 BG20256 A1 BG 20256A1
- Authority
- BG
- Bulgaria
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
 
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Push-Button Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| DD14012269 | 1969-05-29 | 
Publications (1)
| Publication Number | Publication Date | 
|---|---|
| BG20256A1 true BG20256A1 (en:Method) | 1975-11-05 | 
Family
ID=5481269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| BG1346169A BG20256A1 (en:Method) | 1969-05-29 | 1969-11-29 | 
Country Status (6)
| Country | Link | 
|---|---|
| BG (1) | BG20256A1 (en:Method) | 
| CS (1) | CS150628B2 (en:Method) | 
| DE (1) | DE1951380A1 (en:Method) | 
| SE (1) | SE358791B (en:Method) | 
| SU (1) | SU376980A3 (en:Method) | 
| YU (1) | YU32127B (en:Method) | 
- 
        1969
        - 1969-10-11 DE DE19691951380 patent/DE1951380A1/de active Pending
- 1969-11-26 SU SU1379481A patent/SU376980A3/ru active
- 1969-11-29 BG BG1346169A patent/BG20256A1/xx unknown
 
- 
        1970
        - 1970-02-23 YU YU43270A patent/YU32127B/xx unknown
- 1970-05-26 CS CS366570A patent/CS150628B2/cs unknown
- 1970-05-28 SE SE736970A patent/SE358791B/xx unknown
 
Also Published As
| Publication number | Publication date | 
|---|---|
| SU376980A3 (en:Method) | 1973-04-05 | 
| YU43270A (en) | 1973-10-31 | 
| SE358791B (en:Method) | 1973-08-06 | 
| YU32127B (en) | 1974-04-30 | 
| CS150628B2 (en:Method) | 1973-09-04 | 
| DE1951380A1 (de) | 1970-12-03 |