National Metrology Standard (JJ)下载-第3页-标准下载网-www.bzxz.net

Verification Regulation of Metallic Webster Hardness Testing Machine

JJG 944-1999
Verification Regulation of Screw Thread Micrometers

JJG 25-2004
Terms and Their Definitions for Radio Measurement

JJF 1188-2008
Calibration Specification for the Pulmonary Function Measuring Instrument

JJF 1213-2008
Verification Regulation of Instrument for KF Coulometry Titration

JJG 1044-2008
Carbon monoxide Detecors

JJG 915-2008
Verification Regulation of Melting-poin Measurement Instruments

JJG 701-2008
Dissolved Oxygen Meter with Covered-Membrane-Electrode

JJG 291-2008