| Patents for B23Q 11 - Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools (20,102) | |
|---|---|
| 01/1976 | |
| 01/06/1976 | US3930302 Machine tool with guard cover apparatus |
| 01/06/1976 | US3930301 Heavy machine tool and device for depositing and placing a tool head in readiness for use |