NL40487C - - Google Patents
Info
- Publication number
- NL40487C NL40487C NL71102A NL71102A NL40487C NL 40487 C NL40487 C NL 40487C NL 71102 A NL71102 A NL 71102A NL 71102 A NL71102 A NL 71102A NL 40487 C NL40487 C NL 40487C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE440291X | 1933-10-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL40487C true NL40487C (ja) | 1937-04-15 |
Family
ID=6509131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL71102A NL40487C (ja) | 1933-10-16 | 1934-10-16 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE405702A (ja) |
| FR (1) | FR779819A (ja) |
| GB (1) | GB440291A (ja) |
| NL (1) | NL40487C (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113859300B (zh) * | 2021-10-29 | 2024-04-30 | 中铁武汉电气化局集团第一工程有限公司 | 一种四线制二线制方向电路结合过渡控制系统 |
-
1934
- 1934-10-16 FR FR779819D patent/FR779819A/fr not_active Expired
- 1934-10-16 NL NL71102A patent/NL40487C/xx active
- 1934-10-16 BE BE405702D patent/BE405702A/xx unknown
- 1934-10-16 GB GB29620/34A patent/GB440291A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB440291A (en) | 1935-12-24 |
| FR779819A (fr) | 1935-04-13 |
| BE405702A (ja) | 1934-11-30 |