| 摘要 |
<p>The apparatus comprises a base frame (7) extruded in one single piece of light alloy metal which determines a chamber intended to receive the laser generator cavity, incorporated within said chamber, the plane of its lower base coinciding with the base plane of the extruded base, and the lateral faces being directed towards opposed lateral faces of partition walls (12,13) of the extruded base, with controlled clearance to permit the expansion of the laser generator cavity without mechanical stresses being produced on same, capable of deforming it.
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