| PATENT ASSIGNEE'S COUNTRY | Japan |
| UPDATE | 03.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
- Fe (0.2-1 %) - O (0.15-0.60 %) - Si (0.2-1 %) - Ti (balance) |
| PATENT PHOTOCOPY | Available on request |
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