FR2280467B1 - - Google Patents
Info
- Publication number
- FR2280467B1 FR2280467B1 FR7523040A FR7523040A FR2280467B1 FR 2280467 B1 FR2280467 B1 FR 2280467B1 FR 7523040 A FR7523040 A FR 7523040A FR 7523040 A FR7523040 A FR 7523040A FR 2280467 B1 FR2280467 B1 FR 2280467B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Elevator Door Apparatuses (AREA)
- Motor Or Generator Frames (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742437244 DE2437244C3 (de) | 1974-08-02 | Lärmdämpfungseinrichtung für Lichtbogenschmelzöfen benachbarte Gießhallen |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2280467A1 FR2280467A1 (fr) | 1976-02-27 |
FR2280467B1 true FR2280467B1 (de) | 1979-05-04 |
Family
ID=5922252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7523040A Granted FR2280467A1 (fr) | 1974-08-02 | 1975-07-23 | Installation d'isolation phonique pour des halles de coulee, voisines de fours de fusion a arc |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE831742A (de) |
ES (1) | ES439814A1 (de) |
FR (1) | FR2280467A1 (de) |
IT (1) | IT1040175B (de) |
-
1975
- 1975-07-23 FR FR7523040A patent/FR2280467A1/fr active Granted
- 1975-07-25 BE BE158617A patent/BE831742A/xx not_active IP Right Cessation
- 1975-07-28 IT IT2584875A patent/IT1040175B/it active
- 1975-07-29 ES ES439814A patent/ES439814A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE831742A (fr) | 1975-11-17 |
ES439814A1 (es) | 1977-04-16 |
IT1040175B (it) | 1979-12-20 |
FR2280467A1 (fr) | 1976-02-27 |
DE2437244A1 (de) | 1976-02-12 |
DE2437244B2 (de) | 1976-06-10 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |