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GB/T 9424-1998
半导体器件 集成电路 第2部分:数字集成电路 第五篇 CMOS数字集成电路4000B和4000UB系列空白详细规范
Semiconductor devices--Integrated circuits--Part 2:Digital integrated circuits--Section Five:Blank detail specification for complementary MOS digital inte-grated circuits,series 4000B and 4000UB
GB/T 6351-1998
半导体器件 分立器件 第2部分:整流二极管 第一篇 100A以下环境或管壳额定整流二极管（包括雪崩整流二极管）空白详细规范
Semiconductor devices--Discrete devices--Part 2:Rectifier diodes--Section One:Blank detail specification for rectifier diodes(including avalanche recti fier diodes),ambient and case-rated,up to 100A
GB/T 11941-1989
Standard method for hygienic examination of sulfide in drinking water sources
GB/T 12267-1990
Marine navigational equipment--General requirements--Methods of testing and required test results
GB/T 3595-2000
Fertilizers--Determination of ammoniacal nitrogen content--Titrimetric method after distillation
GB/T 11737-1989
Standard method for hygienic examination of benzene,toluene and xylene in air of residentialareas--Gas chromatography
GB/T 11739-1989
Standard method forhygienic examination of lead in air of residential areas--Atomic absorption spectrophotometry