GB - Chinese national standards

Technical requirements for determination of gas diffusion coefficient in shale reservoir

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Aluminium and aluminium alloys rod for electrical purpose

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Fast determination of shale gas composition—Laser Raman spectroscopy

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Specification of shale gas reservoir description

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Mechanical pencils for technical drawings—Part 1: Classification, dimensions, performance requirements and testing

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Mechanical pencils for technical drawings—Part 2:Black leads—Classification and dimensions

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Mechanical pencils for technical drawings—Part 3:Black leads—Bending strengths of HB leads

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Design and metrological characteristics of dial test indicatorslever type

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Natural rubber latex concentrate—Determination of total phosphate content—Spectrophotometric method

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Design and selection of components for enclosed gear drives—Part 1: Common components

Available languages: English, Chinese

Available design: electronic design (pdf), Print design