Standards

JJG(铁道) 173-2004 Verification Regulation of Gauge for Measuring Distance Between Inside Rim Faces of Wheels for Railway Locomotive and Vehicle

Publish Date: 2004-04-22

JJG(铁道) 181-2004 Verification Regulation of Test Instrument of the Train Running and Monitoring and Recording Equipment

Publish Date: 2004-04-22

JJG 693-2004 Verification Regulation of the Alarmer Detectors of Combustible Gas

Publish Date: 2004-03-02

JJG 130-2004 Verification Regulation of Liquid-in-Glass Thermometers for Working

Publish Date: 2004-03-02

JJG 112-2003 Verification Regulation of Metallic Rockwell Hardness Testers(Scales A,B,C,D,E,F,G,H,K,N,T)

Publish Date: 2003-09-23

JJG 113-2003 Verification Regulation of Metallic Rockwell Hardness Reference Blocks (ScalesA,B,C,D,E,F,G,H,K,N,T)

Publish Date: 2003-09-23

JJG 128-2003 Standard Mercury-in-Glass Thermometers(Grade Ⅱ)

Publish Date: 2003-09-23

JJG 404-2003 Railway Gauge Checker Verification Procedures

Publish Date: 2003-09-23

JJG 219-2003 Track Gauging Rule for Standard Gauge Railway

Publish Date: 2003-05-12

JJG 414-2003 Optical Theodolites

Publish Date: 2003-03-05

JJG 977-2003 Timing and Charging Device for IC Card Public Telephone

This regulation applies to the initial and subsequent inspections of public telephone time and billing devices that are paid for with IC cards.

Publish Date: 2003-03-05

JJG 976-2002 Verification Regulation of Opacimeters

Publish Date: 2002-11-04