Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4800034 | Cold rolling oil composition for aluminum and aluminum-containing alloys | Masaru Akao, Yoshio Okamoto, Akio Manba | 1989-01-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4800034 | Cold rolling oil composition for aluminum and aluminum-containing alloys | Masaru Akao, Yoshio Okamoto, Akio Manba | 1989-01-24 |