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GB/T 28515.1-2012
自动交换光网络(ASON)测试方法 第1部分:基于SDH的ASON
Test specifications for automatically switched optical network(ASON)- Part 1:Test specifications for SDH-based ASON
GB/T 21645.8-2012
Technical requirements for automatically switched optical network - Part 8: Routing
GB/T 12060.3-2011
Sound system equipment - Part 3: Methods of measurement on audio amplifiers
GB/T 27602-2011
Measurement of radiofrequency sensitivity for industrial electric detonator
GB/T 27603-2011
Measurement of radiofrequency impedance for industrial electric detonator
GB/T 25749.9-2012
Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 9: Decontamination index
GB/T 28573-2012
Petroleum, petrochemical and natural gas industries steam turbines - General-purpose applications





