NL72300C - - Google Patents
Info
- Publication number
- NL72300C NL72300C NL72300DA NL72300C NL 72300 C NL72300 C NL 72300C NL 72300D A NL72300D A NL 72300DA NL 72300 C NL72300 C NL 72300C
- Authority
- NL
- Netherlands
Links
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL904012X | 1943-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL72300C true NL72300C (en:Method) |
Family
ID=19858510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL72300D NL72300C (en:Method) | 1943-05-07 |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL72300C (en:Method) |
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0
- NL NL72300D patent/NL72300C/xx active