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GB/T 26930.11-2014
Carbonaceous materials used in the production of aluminium-Pitch for electrodes-Part 11:Determination of dynamic viscosity
GB/T 26930.6-2014
Carbonaceous materials used in the production of aluminium—Pitch for electrodes—Part 6:Determination of ash
GB/T 26930.12-2014
Carbonaceous materials used in the production of aluminium-Pitch for electrodes-Part 12:Determination of volatile matter content
GB/T 26930.8-2014
Carbonaceous materials used in the production of aluminium—Pitch for electrodes—Part 8:Determination of coking value
GB/T 26930.7-2014
原铝生产用炭素材料 煤沥青 第7部分:软化点的测定（Mettler法）
Carbonaceous materials used in the production of aluminium—Pitch for electrodes—Part 7:Determination of softening point(Mettler softening point method)
GB/T 26930.9-2014
Carbonaceous materials used in the production of aluminium-Pitch for electrodes-Part 9:Determination of sulful content by the bomb method
GB/T 26930.10-2014
Carbonaceous materials used in the production of aluminium-Pitch for electrodes-Part 10:Determination of sulful content by an instrumental method
GB/T 20651.2-2014
Reciprocating internal combustion engines-safety-Part 2: Spark ignition engines