GB - Chinese national standards

Silicon carbide epitaxial wafers

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Imaging materials—Processed colour photographs—Methods for measuring thermal stability

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Nuclear related flexible graphite sheets

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Method for ultrasonic testing of rails

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Microbeam analysis—Electron probe microanalyser (EPMA)—Guidelines for performing quality assurance procedures

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Double-headed open-ended wrenches,double-headed box wrenches and combination wrenches - Maximum widths of heads

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Double-headed open-ended wrenches, double-headed box wrenches and combination wrenches—Maximum widths of heads

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Nanotechnologies—Guidelines for performance test method of silver nanomaterials

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Non-metallic chemical equipment—Test method for heat transfer coefficient and flow resistance performance of impervious graphite heat exchanger

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Test method for spectral transmittance of quartz glass

Available languages: English, Chinese

Available design: electronic design (pdf), Print design