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GB/T 11594-2009
公用数据网上数据终端设备（DTE）与数据电路终接设备（DCE）间的互换电路定义表
List of definitions for interchange circuits between data terminal equipment(DTE) and data circuit-terminating equipment(DCE) on public data networks
GB/T 5019.3-2009
Specification for insulating materials based on mica - Part 3: Commutator separators and materials
GB/T 5019.2-2009
Specification for insulating materials based on mica - Part 2: Methods of test
GB/T 5019.1-2009
Specification for insulating materials based on mica - Part 1: Definitions and general requirements
GB/T 24201-2009
Test method for corrosion resistance of blast furnace brick to pig iron
GB/T 1303.2-2009
Industrial rigid laminated sheets based on thermosetting for electrical purposes - Part 2: Test methods
GB/T 13465.7-2009
Test method of the rates of body weight gain and porefilling of impermeable graphite