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GB/T 23278.2-2009
锡酸钠化学分析方法 第2部分:铁量的测定 1,10-二氮杂菲分光光度法
Methods for chemical analysis of sodium stannate - Part 2: Determination of iron content - 1,10-phenanthroline photometric method
GB/T 16558.3-2009
船舶维修保养体系 第3部分:船舶维修保养的分级、周期代码及周期允差
The ship maintenance system - Part 3: Maintenance grades, period coding and permissible deviation for maintenance period of ship
GB/T 14506.9-2010
Methods for chemical analysis of silicate rocks - Part 9: Determination of phosphorus pentoxide content
GB/T 22766.5-2009
After-sales service for household and similar electrical appliances - Part5:Particular requirements for water heater





