GB/T 30420.2-2019
PublishedSewing machine terminology—Part 2: Embroidery machine terminology
- Issued
- 2019-12-31
- Effective
- 2020-07-01
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GB/T 38431-2019
PublishedParticulate—Dispersion stability analysis─Static multiple light scattering
- Issued
- 2019-12-31
- Effective
- 2020-03-01
GB/T 38432-2019
PublishedParticle—Gas-solid reaction measurement—Micro fluidized bed method
- Issued
- 2019-12-31
- Effective
- 2020-03-01
GB/T 25341.1-2019
PublishedQuality of railway passenger transport service—Part 1:General
- Issued
- 2019-12-10
- Effective
- 2020-07-01
GB/T 18579-2019
PublishedGB/T 7991.4-2019
PublishedTest method of viterous and porcelain enamels—Part 4：Determination of resistance to impact
- Issued
- 2019-12-10
- Effective
- 2020-11-01
GB/T 25341.2-2019
PublishedQuality of railway passenger transport service—Part 2:Service process
- Issued
- 2019-12-10
- Effective
- 2020-07-01
GB/T 15227-2019
PublishedTest method of air permeability, watertightness, wind load resistance performance for curtain walls
- Issued
- 2019-12-10
- Effective
- 2020-11-01
GB/T 38325-2019
PublishedGround-based verification requirements for space science experiments
- Issued
- 2019-12-10
- Effective
- 2020-07-01
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