| 摘要 |
A lid type vessel of an elastic plastic material for laboratory use, specifically in the PCR procedure, comprising a tubular vessel which has a vessel bottom at one end and a vessel opening at the other end, a lid which has a lid bottom and has at least one hollow cylinder on one side of the lid bottom, which is adapted to be inserted into a sealing seat at the vessel inner wall through the vessel opening, and/or which is adapted to be placed onto the end of the vessel having the vessel opening and in a sealing seat on the vessel outer wall in the area of the axial portion, and at least one axial portion of the hollow cylinder or vessel in the area of the sealing seat by means of which the hollow cylinder or vessel is alternately subdivided into harder and softer segments in a circumferential direction.
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