NL7211907A - - Google Patents
Info
- Publication number
- NL7211907A NL7211907A NL7211907A NL7211907A NL7211907A NL 7211907 A NL7211907 A NL 7211907A NL 7211907 A NL7211907 A NL 7211907A NL 7211907 A NL7211907 A NL 7211907A NL 7211907 A NL7211907 A NL 7211907A
- Authority
- NL
- Netherlands
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)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Blast Furnaces (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7211907A NL169781C (nl) | 1972-09-01 | 1972-09-01 | Visuele inspectie-inrichting voor een oven. |
| GB4057773A GB1441957A (en) | 1972-09-01 | 1973-08-29 | Inspection device for a blast furnace |
| BE135194A BE804311A (nl) | 1972-09-01 | 1973-08-31 | Kijkglas voor een hetewindleiding van een hoogoven |
| DE19732344080 DE2344080C3 (de) | 1972-09-01 | 1973-08-31 | Inspektionsvorrichtung für den Düsenstock eines Hochofens |
| ES418394A ES418394A1 (es) | 1972-09-01 | 1973-08-31 | Dispositivo de inspeccion para un horno alto. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7211907A NL169781C (nl) | 1972-09-01 | 1972-09-01 | Visuele inspectie-inrichting voor een oven. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7211907A true NL7211907A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-03-05 |
| NL169781B NL169781B (nl) | 1982-03-16 |
| NL169781C NL169781C (nl) | 1982-08-16 |
Family
ID=19816830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7211907A NL169781C (nl) | 1972-09-01 | 1972-09-01 | Visuele inspectie-inrichting voor een oven. |
Country Status (4)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114485199B (zh) * | 2022-02-21 | 2025-07-22 | 天津天一爱拓科技有限公司 | 一种炉用双门观察视镜 |
-
1972
- 1972-09-01 NL NL7211907A patent/NL169781C/xx not_active IP Right Cessation
-
1973
- 1973-08-29 GB GB4057773A patent/GB1441957A/en not_active Expired
- 1973-08-31 ES ES418394A patent/ES418394A1/es not_active Expired
- 1973-08-31 BE BE135194A patent/BE804311A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB1441957A (en) | 1976-07-07 |
| NL169781B (nl) | 1982-03-16 |
| NL169781C (nl) | 1982-08-16 |
| BE804311A (nl) | 1974-02-28 |
| DE2344080A1 (de) | 1974-03-14 |
| ES418394A1 (es) | 1976-03-16 |
| DE2344080B2 (de) | 1976-09-02 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BC | A request for examination has been filed | ||
| DNT | Communications of changes of names of applicants whose applications have been laid open to public inspection |
Free format text: ESTEL HOOGOVENS B.V. |
|
| TNT | Modifications of names of proprietors of patents or applicants of examined patent applications |
Owner name: HOOGOVENS GROEP B.V. |
|
| V1 | Lapsed because of non-payment of the annual fee |