| 摘要 |
<p>1491598 Drilling machines; stands STABILATOR AB 16 Sept 1975 [16 Sept 1974] 09223/77 Divided out of 1491597 Headings B3C and B3B The Specification describes a drilling machine as disclosed in the parent Specification but the claims are directed to the machine structure comprising the drilling bar 5, the posts 2, 3 and the support element 22 which includes a lower plate 20 having resilient elements 23, 24 defining a space to which a vacuum source can be connected for suctional attachment of the machine to a workpiece.</p> |
