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O & K Company Ltd. Patents |
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Assignee: O & K Company Ltd.
Address: both of, JP
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4397451 |
Furnace for the heat treatment of scale-covered steel |
August 9, 1983 |
| A scale-covered, hot-rolled steel work is heated under a reducing atmosphere and is then allowed to slowly cool while placed under the reducing atmosphere. Thereafter the work is maintained at a predetermined temperature under an oxidizing atmosphere to cause the scale to be re-oxidi | |
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