Deep beam reactor vessel head and nuclear reactor including same
Detachable and leaktight device for closing an orifice of a nucl
Device for sealing a lead-through
Device for sealing a tube, in particular a lance shaft
Device for the obturation and retention of a sealed closure plug
Device for the sealed clamping against a support surface of an i
Device permitting reduction of thermosiphon effects in fast neut
Disassembleable and reassembleable sealing device for pipelines,
Duct closure