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GB/T 15972.55-2009
光纤试验方法规范 第55部分:环境性能的测量方法和试验程序-氢老化
Specifications for optical fibre test methods - Part 55: Measurement methods and test procedures for environmental characteristics-hydrogen aging
GB/T 21645.3-2009
自动交换光网络（ASON）技术要求 第3部分:数据通信网（DCN）
Technical requirements for automatically switched optical network - Part 3: Data communication network
GB/T 24897-2010
Inspection of grain and oils - Crude protein determination in rice - Near-infrared method
GB/T 24898-2010
Inspection of grain and oils - Determination of moisture content in wheat - Near-infrared method
GB/T 5312-2009
Carbon and carbon-manganese steel seamless steel tubes and pipes for ship
GB/T 6617-2009
Test method for measuring resistivity of silicon wafer using spreading resistance probe
GB/T 6618-2009
Test method for thickness and total thickness variation of silicon slices