DIAPHRAGM AND DIAPHRAGM VALVE
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United States of America Patent
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Issued Date -
Apr 23, 2015
app pub date -
Mar 21, 2013
filing date -
May 30, 2012
priority date (Note) -
Abandoned
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Abstract
A diaphragm with excellent durability is provided which can restrain occurrence of a crack resulting from up and down movements of the diaphragm with opening and closing of a flow channel of a diaphragm valve, and a diaphragm valve having this diaphragm.
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