| 摘要 |
<p>A valve consisting of a first part (14) comprising at least one plane surface with one or more transverse openings (17) and a second part (10) comprising at least one plane surface with one or more transverse openings (12a,b), where the plane surfaces of the first and second parts are facing each other and are in contact while at least the first part being capable or moving and where the movement of the first part in relation to the second part takes place by an essentially mutually parallel movement between the surfaces and where an opening in the first part may be placed directly over an opening in the second part. <IMAGE></p> |
