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Standards History
AGA Report 9   2022   AGA Report No. 9, Measurement of Gas by Multipath Ultrasonic Meters - XQ2105 90 $
AGA Report 9   2017   Measurement of Gas by Multipath Ultrasonic Meters 50 $
AGA Report 9   2007   Measurement of Gas by Multipath Ultrasonic Meters 40 $
AGA Report 9   2003   Measurement of Gas by Multipath Ultrasonic Meters 40 $
AGA Report 9   2000   Measurement of Gas by Multipath Ultrasonic Meters 25 $
AGA REPORT 9   1998   Measurement of Gas by Multipath Ultrasonic Meters 25 $