GB/T 12476.3-2017 Electrical apparatus for use in the presence of combustible dust—Part 3: Classification of areas where combustible dusts are or may be present (English Version)
2021GB/T 3836.35-2021 Explosive atmospheres—Part 35:Classification of areas for explosive dust atmospheres
2017GB/T 12476.3-2017 Electrical apparatus for use in the presence of combustible dust—Part 3: Classification of areas where combustible dusts are or may be present
2007GB 12476.3-2007 Electrical apparatus for use in the presence of combustible dust.Part 3: Classification of areas where combustible dusts are or may be present
GB/T 12476.3-2017 Electrical apparatus for use in the presence of combustible dust—Part 3: Classification of areas where combustible dusts are or may be present has been changed from GB 12476.3-2007 Electrical apparatus for use in the presence of combustible dust.Part 3: Classification of areas where combustible dusts are or may be present.
GB/T 12476.3-2017 Electrical apparatus for use in the presence of combustible dust—Part 3: Classification of areas where combustible dusts are or may be present was changed to GB/T 3836.35-2021 Explosive atmospheres—Part 35:Classification of areas for explosive dust atmospheres.