| 摘要 |
A connector having a fluid passage whose volume does not substantially vary with the opening/closing of a valve disc. The connector comprises a substantially cylindrical connector main body, a valve disc of elastic material disposed at one of the open ends of the connector main body, and a substantially cylindrical connecting member disposed on the outer periphery of the connector main body on the side of the valve disc and coaxially with the connector main body and movable axially of the connector main body.
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