NL84720C - - Google Patents
Info
- Publication number
- NL84720C NL84720C NL84720DC NL84720C NL 84720 C NL84720 C NL 84720C NL 84720D C NL84720D C NL 84720DC NL 84720 C NL84720 C NL 84720C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephonic Communication Services (AREA)
- Exchange Systems With Centralized Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL299889X | 1950-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL84720C true NL84720C (en) |
Family
ID=19783209
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL84720D NL84720C (en) | 1950-06-16 | ||
| NL@@@@87224UURA NL154221B (en) | 1950-06-16 | PROCEDURE FOR THE STEREOSPECIFIC POLYMERIZATION OF ALPHA ALKES AND PROCESS FOR THE PREPARATION OF A CATALYTIC SYSTEM USABLE IN THIS PROCESS. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL@@@@87224UURA NL154221B (en) | 1950-06-16 | PROCEDURE FOR THE STEREOSPECIFIC POLYMERIZATION OF ALPHA ALKES AND PROCESS FOR THE PREPARATION OF A CATALYTIC SYSTEM USABLE IN THIS PROCESS. |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE503597A (en) |
| CH (1) | CH299889A (en) |
| DE (1) | DE974596C (en) |
| FR (1) | FR1050285A (en) |
| GB (1) | GB747173A (en) |
| NL (2) | NL154221B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL267039A (en) * | 1960-07-18 | |||
| NL272353A (en) * | 1960-12-21 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191413524A (en) * | 1914-06-03 | 1915-04-01 | Western Electric Co Ltd | Improvements in Automatic Switching Mechanisms and more particularly for use in connection with Telephone Systems. |
| GB191509345A (en) * | 1915-06-25 | 1916-06-26 | Relay Automatic Telephone Co L | Improvements in Automatic and Semi-automatic Telephone Systems. |
| AT126861B (en) * | 1927-07-30 | 1932-02-25 | Gotthilf Ansgarius Betulander | Installation on automatic telephone systems. |
| GB320366A (en) * | 1928-07-10 | 1929-10-10 | Gotthilf Ansgarius Betulander | Improvements in automatic telephone systems |
| GB328314A (en) * | 1928-12-20 | 1930-04-22 | Standard Telephones Cables Ltd | Improvements in or relating to telephone systems |
| FR726007A (en) * | 1930-10-27 | 1932-05-21 | Ericsson Telefon Ab L M | Improvements to automatic telephone central offices |
-
0
- NL NL84720D patent/NL84720C/xx active
- BE BE503597D patent/BE503597A/xx unknown
- NL NL@@@@87224UURA patent/NL154221B/en unknown
-
1951
- 1951-05-23 DE DEST3388A patent/DE974596C/en not_active Expired
- 1951-05-25 GB GB12348/51A patent/GB747173A/en not_active Expired
- 1951-05-29 CH CH299889D patent/CH299889A/en unknown
- 1951-06-15 FR FR1050285D patent/FR1050285A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL154221B (en) | |
| DE974596C (en) | 1961-02-23 |
| GB747173A (en) | 1956-03-28 |
| BE503597A (en) | |
| FR1050285A (en) | 1954-01-06 |
| CH299889A (en) | 1954-06-30 |