Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Standard No. Title Price(USD) Delivery Status Add to Cart
GB/T 28633-2012 Surface chemical analysis—X-ray photoelectron spectroscopy—Repeatability and constancy of intensity scale $210.00 via email in 1~3 business day valid
GB/T 28634-2012 Microbeam analysis—Electron probe microanalysis—Quantitative point analysis for bulk specimen using wavelength dispersive X-ray spectroscopy $210.00 via email in 1~3 business day to be superseded
GB/T 28634-2025 Microbeam analysis—Electron probe microanalysis—Quantitative point analysis for bulk specimens using wavelength dispersive X-ray spectroscopy via email in business day to be valid
GB/T 28636-2012 Heating and air conditioning system hydraulic balance valve $210.00 via email in 1~3 business day valid
GB/T 28637-2012 Electric daylighting exclude smoke skylight $330.00 via email in 1~3 business day valid
GB/T 28638-2012 Heat loss test for thermal insulation structure and evaluation methods for thermal insulation efficiency of district heating pipes $564.00 via email in 1~5 business day abolished
GB/T 28638-2023 Heat loss test for thermal insulation structure and evaluation methods for thermal insulation efficiency of district heating pipes $495.00 immediately valid
GB/T 28639-2012 General technical requirement for DNA microarray $100.00 via email in 1~3 business day valid
GB/T 28640-2012 Practices for cold-chain transportation of livestock & poultry meat $120.00 via email in 1~3 business day valid
GB/T 28641-2012 General technical requirement for protein microarray $100.00 via email in 1~3 business day valid
GB/T 28642-2012 Rapid determination of Salmonella spp.in animal feeding stuffs—PCR method $180.00 via email in 1~3 business day valid
GB/T 28643-2012 Determination of PCDD/Fs and dioxin-like PCBs in feeds—Isotope dilution HRGC/HRMS $540.00 via email in 1~3 business day valid
GB/T 28646-2012 Chemicals—Test method of mammalian cell micronucleus in vitro $310.00 via email in 1~3 business day valid
GB/T 28647-2012 Chemicals—Test method of uterotrophic bioassay in rodents—A short-term screening test for oestrogenic properties $310.00 via email in 1~3 business day valid
GB/T 28648-2012 Chemicals—Acute inhalation toxicity testing—Acute toxic class method $390.00 via email in 1~3 business day valid
GB/T 28649-2012 Automatic recognition system for vehicle license plate $210.00 via email in 1~3 business day valid
GB/T 28650-2012 Road safety barrel $180.00 via email in 1~3 business day valid
GB/T 28651-2012 Road temporary traffic signs $210.00 via email in 1~3 business day valid
GB/T 28654-2018 Trichlorosilane for industrial use $250.00 via email in 1~3 business day valid
GB/T 28658-2012 Standardized operation production of Fritillaria unibracteata Hsiao et K.C.Hsia $210.00 via email in 1~3 business day valid
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