Bearing element
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Oct 11, 2011
Grant Date -
Nov 2, 2006
app pub date -
Apr 28, 2006
filing date -
Apr 29, 2005
priority date (Note) -
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Abstract
is selected from a range with a lower limit of 15% and an upper limit of 25% and the proportion of graphite is selected from a range with a lower limit of 5% and an upper limit of 15%.
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