| 摘要 |
The invention concerns a pipette comprising a body, an arm (20) mobile rel- ative to the body along a longitudinal direction (10) to eject a tip fixed to the body and a push button (14) controlling the movement of the arm. The pipette is designe d such that the push button (14) is mobile relative to the body (2) in a plane perpendicular to the longitudinal direction (10) by being able to take up any one particular position in a continuous range of positions in said plane and enabling to control the movement of the arm in said any particular position.
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