| 摘要 |
<p>The present invention is a laminated rotary grinder which has an adhesive layer of a mixture containing phenol resin and the like and inorganic particles having uniform and maximum diameters. This is to allow provision of a space of a predetermined width between the discs. The adhesive layer may cover the entire area or a part of the area extending from the inner circumference and the outer circumference.</p> |
