Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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JJG石油 45-1997 Verification Regulation of Core Oil-Water Saturation Meter via email in business day valid
JJG石油 46-1997 Verification Regulation of Rock Gas Permeability Meter via email in business day valid
JJG石油 47-1999 Verification Regulation of Compensation Neutron Calibrator via email in business day valid
JJG石油 48-1999 Verification Regulation of Gamma-ray Calibrator via email in business day valid
JJG石油 49-1999 Verification Regulation of the Bourdon Tube Precise Pressure Gauge and Vacuum Gauge via email in business day valid
JJG石油 50-1999 Verification Regulation of the Electronic Dynamometer via email in business day valid
JJG石油 51-2000 Verification Regulation of Master Gage for Rotary Shouldered Connections Thread,casing Round Thread and Tubing Thread via email in business day superseded
JJG石油 52-2000 Verification Regulation of Compensated Neutron Tool via email in business day valid
JJG石油15-1991 Drilling Fluid Density Meter $150.00 via email in 1~3 business day superseded
JJG铁道140.1-2002 via email in business day superseded
JJG铁道140.2-2002 via email in business day superseded
JJG铁道167-1997 via email in business day superseded
JJG(津)3025-2023 via email in business day valid
JJT (交通) 072-2006 Verification Regulation of Testing Apparatus for Asphalt Content by Burning Method $165.00 via email in 1~3 business day valid
jjg(交通)044-2004 Port machinery -- Digital load moment limiters $210.00 via email in 1~3 business day valid
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