GB/T 8220.4-1998
Abolished
Standards
GB/T 8220.5-1998
Abolished
GB/T 8220.5-1998 Methods for chemical analysis bismuth—Determination of zinc content—Solid-liquid extraction-flame atomic absorption spectrophotometric method
GB/T 8220.6-1998
Abolished
GB/T 8220.6-1998 Methods for chemical analysis of bismuth—Determination of lead content—Electrothermal atomic absorption spectrometric method
GB/T 8220.7-1998
Abolished
GB/T 8220.7-1998 Methods for chemical analysis of bismuth—Determination of arsenic content—Ion exchange separation-hydride generation-flame atomic absorption spectrophotometric method
GB/T 8220.8-1998
Abolished
GB/T 8220.8-1998 Methods for chemical analysis of bismuth—Determination of chlorine content—Distillation-mercuric thiocyanate photometric method
GB/T 8220.9-1998
Abolished
GB/T 8220.9-1998 Methods for chemical analysis of bismuth—Determination of tellurium content-Coprecipitation with arsenic-oscillopolarog raphic method
GB/T 17460-1998
Abolished
GB/T 17460-1998 Chemical conversion coatings—Rinsed and non-rinsed chromate conversion coatings on aluminium and aluminium alloys
GB/T 8646-1998
Abolished
GB/T 8646-1998 Fine aluminum-1% silicon wire for semiconductor lend-bonding
GB/T 17425-1998
Abolished
GB/T 17425-1998 Purchase and acceptance of couplers and coupler yokes for freight service
GB/T 17165.4-1997
Abolished
GB/T 17165.4-1997 Fuzzy control devices and systems—Part 4:Evaluation requirements of basic properties of fuzzy control for washing machine
GB/T 17129-1997
Abolished
GB/T 17129-1997 Colourless optical glass test methods of chemical stability—Powder
GB/T 17103-1997
Abolished