| 摘要 |
PROBLEM TO BE SOLVED: To provide a pump unit with a significantly simple structure, easy to handle to a user. SOLUTION: Sub conduits 9, 10 are connected to a pipette 4 or a fluid collector similar thereto on one side, and are connected to a suction conduit 6 and/or a discharge conduit 7 connected to a pump 3 on the other. The sub conduits 9, 10 are formed such that the sub conduits 9, 10 open to the air, and have throttle portions 11, 12 to restrict a sucked or discharged air amount. COPYRIGHT: (C)2005,JPO&NCIPI
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