International comparison of a NIST primary standard with an NRLM transfer standard for small mass flow rates of nitrogen gas

Author： Wright J. D.   Mattingly G. E.   Nakao S.   Yokoi Y.   Takamoto M.  

Publisher： IOP Publishing

ISSN： 0026-1394

Source： Metrologia, Vol.35, Iss.3, 1998-06, pp. : 211-221

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