GB - Chinese national standards

Steel-plastic-transition fittings for polyethylene(PE) piping systems for the supply of gaseous fuels

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Interference, coexistence and corresponding measurement methods of 2.4GHz wireless telecommunications equipment

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

The requirements of hearing aids compatibility and measurement methods for telephone handset

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Technical requirements of environmentally innocuous disposal for hazardous substances in disused telecommunication equipment

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Technical requirements of reuse for the waste telecommunication equipment

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Respiratory protection—Non-powered air-purifying particle respirator

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Synthetic reuse of power supply system for access network equipment and remote module

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

General technical requirements of used telecommunication equipment appraisal

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Guide for classification of telecommunication equipment energy efficiency

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

The power system of wind energy for telecommunication

Available languages: English, Chinese

Available design: electronic design (pdf), Print design