Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5314108 | Method of producing welded tube with excellent corrosion-resistant inner surface | Kazunori Takikawa | 1994-05-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5314108 | Method of producing welded tube with excellent corrosion-resistant inner surface | Kazunori Takikawa | 1994-05-24 |