| 摘要 |
<p>A bench for magnetoscopically testing a tubular part, the bench including a tool of elongate shape for inserting inside the part and carrying an endoscopic mechanism for ultraviolet illumination of the inside surface of the part and for observing any defects of the part, and an indexing mechanism co-operating by mutual engagement with external references of the tool that are regularly distributed over at least a fraction of its length to control accurately the advance and the position of the tool inside the part.</p> |
