BE343820A - - Google Patents
Info
- Publication number
- BE343820A BE343820A BE343820DA BE343820A BE 343820 A BE343820 A BE 343820A BE 343820D A BE343820D A BE 343820DA BE 343820 A BE343820 A BE 343820A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Alarm Systems (AREA)
- Fire Alarms (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE273710X | 1926-07-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE343820A true BE343820A (OSRAM) |
Family
ID=6016627
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE343820D BE343820A (OSRAM) | 1926-07-03 |
Country Status (5)
Country | Link |
---|---|
US (1) | US1734781A (OSRAM) |
BE (1) | BE343820A (OSRAM) |
FR (1) | FR636949A (OSRAM) |
GB (1) | GB273710A (OSRAM) |
NL (1) | NL29660C (OSRAM) |
-
0
- BE BE343820D patent/BE343820A/xx unknown
- NL NL29660D patent/NL29660C/xx active
-
1927
- 1927-06-27 GB GB17063/27A patent/GB273710A/en not_active Expired
- 1927-07-02 FR FR636949D patent/FR636949A/fr not_active Expired
-
1928
- 1928-01-25 US US249355A patent/US1734781A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
NL29660C (OSRAM) | |
GB273710A (en) | 1928-08-23 |
US1734781A (en) | 1929-11-05 |
FR636949A (fr) | 1928-04-19 |