NL144773B - GAS AND / OR VAPOR DISCHARGE TUBE. - Google Patents
GAS AND / OR VAPOR DISCHARGE TUBE.Info
- Publication number
- NL144773B NL144773B NL656502227A NL144773DA NL144773B NL 144773 B NL144773 B NL 144773B NL 656502227 A NL656502227 A NL 656502227A NL 144773D A NL144773D A NL 144773DA NL 144773 B NL144773 B NL 144773B
- Authority
- NL
- Netherlands
- Prior art keywords
- gas
- discharge tube
- vapor discharge
- vapor
- tube
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
- H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
- H04Q3/625—Arrangements in the private branch exchange
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL678319X | 1949-02-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL144773B true NL144773B (en) |
Family
ID=19802353
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL72168D NL72168C (en) | 1949-02-09 | ||
NL656502227A NL144773B (en) | 1949-02-09 | GAS AND / OR VAPOR DISCHARGE TUBE. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL72168D NL72168C (en) | 1949-02-09 |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE493791A (en) |
FR (1) | FR1013615A (en) |
GB (1) | GB678319A (en) |
NL (2) | NL144773B (en) |
-
0
- NL NL72168D patent/NL72168C/xx active
- BE BE493791D patent/BE493791A/xx unknown
- NL NL656502227A patent/NL144773B/en unknown
-
1950
- 1950-02-03 GB GB2829/50A patent/GB678319A/en not_active Expired
- 1950-02-09 FR FR1013615D patent/FR1013615A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE493791A (en) | |
NL72168C (en) | |
GB678319A (en) | 1952-09-03 |
FR1013615A (en) | 1952-07-31 |
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