发明授权
US3788599A Plug valve 失效
插头阀

Plug valve
摘要:
A plastic plug valve for use in equipment for administering intravenous solutions and the like in which the plug is cammed into sealing engagement with the bore in the body by spring fingers preferably integral with the plug. The valve is intended to be used once and thrown away because the cost of washing and sterilization is greater than the cost of the valve.
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