BE371304A - - Google Patents
Info
- Publication number
- BE371304A BE371304A BE371304DA BE371304A BE 371304 A BE371304 A BE 371304A BE 371304D A BE371304D A BE 371304DA BE 371304 A BE371304 A BE 371304A
- Authority
- BE
- Belgium
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/02—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
- F16K5/0257—Packings
- F16K5/0271—Packings between housing and plug
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE357620X | 1929-06-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE371304A true BE371304A (fr) |
Family
ID=20308835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE371304D BE371304A (fr) | 1929-06-21 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1833586A (fr) |
| BE (1) | BE371304A (fr) |
| DE (1) | DE606072C (fr) |
| FR (1) | FR697616A (fr) |
| GB (1) | GB357620A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE969460C (de) * | 1954-04-08 | 1958-06-04 | Friedrich Merk Telefonbau Ag | Schaltungsanordnung fuer die Steuerung ueberlagerter Stromkreise in kleinen Fernsprechnebenstellenanlagen |
-
0
- BE BE371304D patent/BE371304A/xx unknown
-
1930
- 1930-06-18 GB GB18663/30A patent/GB357620A/en not_active Expired
- 1930-06-18 FR FR697616D patent/FR697616A/fr not_active Expired
- 1930-06-18 US US462105A patent/US1833586A/en not_active Expired - Lifetime
- 1930-06-19 DE DE1930606072D patent/DE606072C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR697616A (fr) | 1931-01-20 |
| US1833586A (en) | 1931-11-24 |
| DE606072C (de) | 1934-11-24 |
| GB357620A (en) | 1931-09-18 |