| 摘要 |
Sealing device ( 10 ) between two media and the outer surface of a fuel cladding ( 1 ), characterized by three states: a state retracted for contactiess axial insertion of said fuel cladding ( 1 ) though the sealing device, a state statically hermetically sealed around said fuel cladding maintained at rest, and a state dynamically hermetically sealed around said fuel cladding under axial and/or rotational movement.
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