Metal gasket material plate and method for manufacturing the same
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United States of America Patent
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Aug 2, 2011
Grant Date -
Sep 4, 2008
app pub date -
Dec 28, 2007
filing date -
Dec 28, 2006
priority date (Note) -
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Abstract
The present invention is intended to provide a metal gasket material plate with which exfoliation of the coating or blister can be prevented even if it is used in the presence of an electrolyte aqueous solution and which can be manufactured through a process without use of hexavalent chromium in consideration of the environment, etc.
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