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NKKTUBES
| NKKTUBES Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20100096048 | 655 MPA GRADE MARTENSITIC STAINLESS STEEL HAVING HIGH TOUGHNESS AND METHOD FOR MANUFACTURING THE SAME - A martensitic stainless steel for inexpensive seamless pipe having 655 MPa yield strength, high toughness and excellent corrosion resistance in high CO | 04-22-2010 |