NL30640C - - Google Patents
Info
- Publication number
- NL30640C NL30640C NL30640DA NL30640C NL 30640 C NL30640 C NL 30640C NL 30640D A NL30640D A NL 30640DA NL 30640 C NL30640 C NL 30640C
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Alarm Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE280919T | 1926-11-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL30640C true NL30640C (en:Method) |
Family
ID=31893805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL30640D NL30640C (en:Method) | 1926-11-16 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB280919A (en:Method) |
| NL (1) | NL30640C (en:Method) |
-
0
- NL NL30640D patent/NL30640C/xx active
-
1927
- 1927-11-15 GB GB30709/27A patent/GB280919A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB280919A (en:Method) | 1929-04-15 |