| 摘要 |
Improvements to mills which are of the type used for grinding dry clays or clays with a very low moisture content, the mill being formed by a rotary shaft to which are fastened the plates to which the hammers, for breaking by means of inelastic impact, are joined in a rotary manner, so that the screen or grating 9 formed by an arcuate body at an angle of 180 degree is provided with heat so that the clay in contact with it dries. <IMAGE>
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