| 摘要 |
A device is provided for exploring the inner volume of a cylinder, including a probe holder driven with a translational movement by a shaft and with a pivoting movement by a mandrel along and about the axis of the cylinder. By placing probes in housings previously formed in the probe holder, all the points inside the cylinder may be reached. The operations are carried out from inside the cylinder. The device further includes apparatus for fixing and adjusting the position of a framework holding the shaft. Associated devices allow predetermined positions to be reached not only along the axis but also in angular orientation.
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