| 摘要 |
The container has a cap fixed in a tank by engagement of a pad (44) in an annular groove (24), where pad and groove are respectively formed on the cap and tank, and vice-versa. Radial blades (45) limit axial and transversal movements between the pad and groove, when the pad is in engagement with the groove. The groove extends in a plane perpendicular to a longitudinal axis of the tank.
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