GB/T 28511.2-2012
Integrated optical path devices based on planar lightwave circuit - Part 2 :DWDM filter based on AWG technology 平面光波导集成光路器件 第2部分:基于阵列波导光栅(AWG)技术的密集波分复用(DWDM)滤波器 |
GB 28525-2012
Compact switchgear assemblies for rated voltages of 72.5 kV and above 额定电压72.5 kV及以上紧凑型成套开关设备 |
GB/T 27776-2011
Guidelines for integrated vector management - Food processing enterprise 病媒生物综合管理技术规范 食品生产加工企业 |
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