GB/T 47901-2026
UpcomingGallium arsenide substrates for laser epitaxial chips
- Issued
- 2026-07-02
- Effective
- 2027-02-01
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Gallium arsenide substrates for laser epitaxial chips
Guidelines for the construction of electronic maps of basic public service facilities
Guidelines for green evaluation of steel slag treatment and processing
Green product assessment—Steel plate,sheet and strip
Iron-bearing dust and sludge—Determination of bismuth content—Flame atomic absorption specotrometry
Trade exhibition—Guidelines for carbon footprint accounting
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