FR2172207A1 - - Google Patents
Info
- Publication number
- FR2172207A1 FR2172207A1 FR7305149A FR7305149A FR2172207A1 FR 2172207 A1 FR2172207 A1 FR 2172207A1 FR 7305149 A FR7305149 A FR 7305149A FR 7305149 A FR7305149 A FR 7305149A FR 2172207 A1 FR2172207 A1 FR 2172207A1
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722207225 DE2207225B2 (de) | 1972-02-16 | 1972-02-16 | Verfahren und vorrichtung zur direktreduktion von eisenerzen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2172207A1 true FR2172207A1 (hu) | 1973-09-28 |
| FR2172207B1 FR2172207B1 (hu) | 1977-02-04 |
Family
ID=5836107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7305149A Expired FR2172207B1 (hu) | 1972-02-16 | 1973-02-14 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS4896414A (hu) |
| CA (1) | CA979660A (hu) |
| FR (1) | FR2172207B1 (hu) |
| GB (1) | GB1438532A (hu) |
| IT (1) | IT977309B (hu) |
| RO (1) | RO67594A (hu) |
| SU (1) | SU554823A3 (hu) |
| ZA (1) | ZA73710B (hu) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2236474A (en) * | 1939-12-23 | 1941-03-25 | Hardy Metallurg Company | Reduction of metal compounds without fusion |
| US2311962A (en) * | 1941-03-15 | 1943-02-23 | Clarence Q Payne | Apparatus for low temperature reduction of iron ores |
-
1973
- 1973-01-31 ZA ZA730710A patent/ZA73710B/xx unknown
- 1973-02-01 CA CA163,316A patent/CA979660A/en not_active Expired
- 1973-02-05 GB GB565673A patent/GB1438532A/en not_active Expired
- 1973-02-12 IT IT48200/73A patent/IT977309B/it active
- 1973-02-14 JP JP48017556A patent/JPS4896414A/ja active Pending
- 1973-02-14 FR FR7305149A patent/FR2172207B1/fr not_active Expired
- 1973-02-16 RO RO7373875A patent/RO67594A/ro unknown
- 1973-11-19 SU SU1971071A patent/SU554823A3/ru active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2236474A (en) * | 1939-12-23 | 1941-03-25 | Hardy Metallurg Company | Reduction of metal compounds without fusion |
| US2311962A (en) * | 1941-03-15 | 1943-02-23 | Clarence Q Payne | Apparatus for low temperature reduction of iron ores |
Also Published As
| Publication number | Publication date |
|---|---|
| IT977309B (it) | 1974-09-10 |
| SU554823A3 (ru) | 1977-04-15 |
| FR2172207B1 (hu) | 1977-02-04 |
| GB1438532A (en) | 1976-06-09 |
| ZA73710B (en) | 1974-05-29 |
| CA979660A (en) | 1975-12-16 |
| JPS4896414A (hu) | 1973-12-10 |
| RO67594A (ro) | 1982-03-24 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |