JJG 979-2003 Barcode Detector Calibration Procedure JJG979-2003 Standard download decompression password: www.bzxz.net This proced

This standard applies to the initial verification, subsequent verification and in-use inspection of transmission type smoke meters

JJG 975-2002 Verification Procedure for Chemical Oxygen Demand (COD) Meters JJG975-2002 Standard download decompression password:

JJG 974-2002 Verification Regulations for Cement Softening Equipment Measuring Instruments JJG974-2002 Standard download decompres

JJG 973-2002 Verification Procedure for Impact Measuring Instruments JJG973-2002 Standard download decompression password: www.bzx

This regulation is applicable to the final verification, prototype test, initial verification, subsequent verification and in-use

JJG 970-2002 Transformer Ratio Bridge Verification Procedure JJG970-2002 Standard download decompression password: www.bzxz.net Th

JJG 969-2002 Verification Procedure for Gamma Radioimmunoassay Counters JJG969-2002 Standard download decompression password: www.