Syringe Piston
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United States of America Patent
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N/A
Issued Date -
Feb 18, 2010
app pub date -
Nov 12, 2007
filing date -
Dec 27, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
is a length of the sliding surface on the rear end side of the piston, and r is equivalent to or larger than 0.7 mm where r is a radius of curvature of a corner portion on the leading end side of the piston.
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