ASTM F 78 : 1997
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Standard Test Method for Calibration of Helium Leak Detectors by Use of Secondary Standards
Hardcopy , PDF
11-11-2014
English
31-12-2010
CONTAINED IN VOL. 10.04, 2006 Covers procedure for calibrating mass spectrometer-type helium leak detector with a series of commercially available calibrated leaks without need for recourse to a primary standard.
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