| 摘要 |
A sealing cap which has a substantially cylindrically shaped inner wall surface with one end (4) closed and the other end (3) open; having an internal threaded portion (6) on the inner wall and having an annular sealing rib (16) on the internal surface of the closed end concentric with the axis of the threaded portion and projecting towards the open end of the cap, and grip means on the outer wall surface.
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