| 摘要 |
To provide a gasket holder facilitating attachment and detachment of the gasket holder and capable of preventing positional shift and detachment of a gasket, a first gasket holding portion formed in a straight line and a second gasket holding portion formed in a curved line are provided to a gasket retainer, a gasket is held by three point support of a recess of the first gasket holding portion and recesses and of the second gasket holding portion, and bending portions and of the gasket retainer are bent and are held by stopper holes of a flow rate control valve block.
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