| 摘要 |
A machine for surface working flat ceramic products comprises an operating head comprising tool means (10) suitable for working an external surface of said products (6), cooling conduit means (38, 40, 41, 42, 44, 46) arranged for cooling an interface region between said tool means (10) and said surface; the cooling conduit means (38, 40, 41, 42, 44, 46) is suitable for conveying a gaseous fluid, or a liquid, or a liquid dispersed in a gaseous phase.
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