| 摘要 |
<p>The spring element (1) has at least four alternating stages (13) so that each two sections (11.11') in the peripheral direction and the adjacent sections (12,12',12'') in the peripheral direction bound on an upper and lower plane respectively, whereby the upper and lower planes are parallel with a 1 to 10 mm separating distance.. An independent claim is also included a composite brake disk.</p> |
