Device for taking a liquid sample
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United States of America Patent
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Feb 9, 1999
Grant Date -
N/A
app pub date -
Apr 9, 1997
filing date -
Sep 14, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus for taking up liquid batches, comprising a take-up tube (10), a metering pump (20) for drawing liquid into the take-up tube by suction, and a washing pump (30) which functions to pump washing solution through the take-up tube in a direction opposite to the liquid take-up direction, through the medium of a washing tube (50). The washing pump is a self-sealing displacement pump.
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