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GB/T 29306.2-2012
绝缘材料在300 MHz以上频率下介电性能测定方法 第2部分:谐振法
Recommended methods for the determination of the dielectric properties of insulating materials at frequencies above 300 MHz - Part 2 : Resonance methods
GB/T 23895-2009
Plain bearings - Quality assurance of thin-walled half bearings - Selective assembly of bearings to achieve a narrow clearance
GB/T 23371.3-2009
Basic principles for graphical symbols for use on electrical equipment - Part 3: Guidelines for the application of graphical symbols
GB/T 4909.6-2009
Test methods for bare wires - Part 6: Bend test - Single bend test
GB/T 24272-2009
Test method for mechanical torque rate of spiral coils of thermostat metal
GB/T 4909.8-2009
Test methods for bare wires - Part 8: Hardness test - Brinell hardness test