FR2354386B1 - - Google Patents
Info
- Publication number
- FR2354386B1 FR2354386B1 FR7718250A FR7718250A FR2354386B1 FR 2354386 B1 FR2354386 B1 FR 2354386B1 FR 7718250 A FR7718250 A FR 7718250A FR 7718250 A FR7718250 A FR 7718250A FR 2354386 B1 FR2354386 B1 FR 2354386B1
- 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
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/24—Test rods or other checking devices
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Blast Furnaces (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE842904 | 1976-06-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2354386A1 FR2354386A1 (fr) | 1978-01-06 |
| FR2354386B1 true FR2354386B1 (enExample) | 1983-06-24 |
Family
ID=3861376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7718250A Granted FR2354386A1 (fr) | 1976-06-11 | 1977-06-07 | Procede pour assurer et maintenir la proprete d'un orifice d'observation |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR2354386A1 (enExample) |
| LU (1) | LU77517A1 (enExample) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB699921A (en) * | 1950-03-22 | 1953-11-18 | Alois Vogt | Improvements in or relating to cleaning observation windows in high vacuum chambers |
| CH349359A (de) * | 1956-06-12 | 1960-10-15 | Balzers Hochvakuum | Einrichtung zum Einblick in Vakuumanlagen |
| FR1377389A (fr) * | 1963-09-03 | 1964-11-06 | Temescal Metallurgical Corp | Appareil d'observation grand angle pour dispositifs à vide poussé |
| DE1498305B2 (de) * | 1964-04-02 | 1972-01-13 | Centre National de Recherches Metallurgiques Association Sans but lucratif, Brüssel | Verfahren zur ermittlung des einsatzniveaus in einem hoch ofenschacht |
| JPS4823762B1 (enExample) * | 1968-08-08 | 1973-07-16 | ||
| BE830896A (fr) * | 1975-07-01 | 1976-01-02 | Procede pour assurer et maintenir la proprete d'un orifice d'observation |
-
1977
- 1977-06-07 FR FR7718250A patent/FR2354386A1/fr active Granted
- 1977-06-09 LU LU77517A patent/LU77517A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| LU77517A1 (enExample) | 1977-09-26 |
| FR2354386A1 (fr) | 1978-01-06 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |