GB - Chinese national standards

Microfilming of technical drawings and other drawing office documents - Part 6: Quality criteria and control of systems for enlargements from 35mm microfilm

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Superfine silver powder

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

General ruler for earthquake magnitude

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Evaluation of seismic safety for engineering sites

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

The Chinese seismic intensity scale

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Limits and methods of measurement of radio disturbance characteristics of electrical lighting and similar equipment

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Petroleum and natural gas industries—Drilling and well servicing equipment

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Petroleum and natural gas industries - Care and use of casing and tubing

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Petroleum liquids and gases--Fidelity and security of dynamic measurement--Cabled transmission of electric and/or electronic pulsed data

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Natural gas - Calculation of compression factor - Part 1: Introduction and guidelines

Available languages: English, Chinese

Available design: electronic design (pdf), Print design