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Abstract As JJG 49-2013 "elastic element precision pressure gauge and vacuum gauge" verification regulation is suitable for most forms of elastic element precision pressure and vacuum gauge, more widely application range and more reasonable and scientific. The first part of this article is the mistake of old version, second part is the comparison between old and new version verification regulation, and the third part is the discussion of new version verification regulation.
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Received: 06 August 2014
Published: 17 May 2017
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2015, Vol. 25 