GB - Chinese national standards

Basic rack tooth profile of fine-pitch bevel gears

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Accuracy of fine-pitch bevel gears

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Available design: electronic design (pdf), Print design

Basic rack tooth profile of fine-pitch cylindrical worm

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Available design: electronic design (pdf), Print design

Accuracy of fine-pitch cylindrical worm and worm-wheel

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Available design: electronic design (pdf), Print design

Technical parameters and requirements for dry-type power transformers

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Tap-changers—Part 1:Performance requirements and test methods

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Tap-changers—Part 2Application guidelines

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Basic testing method for low-voltage switchgear and controlgear assemblies

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Hazard reducing device for arc welding power source

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Guide for compatibility and protection of interference effects between semiconductor convertors and power supply system

Available languages: English, Chinese

Available design: electronic design (pdf), Print design