NF C64-070-1977 A C high-voltage switchgear and controlgear Colours of indicator-lights and push-buttons 《交流电用高压设备 交流电用高压设备 按钮开关和指示灯的颜色》.pdf

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SJ 20099-1992 4灯整体安装双刀双掷和4刀双掷照明按钮开关及指示器组件详细规范.pdf

SJ T 10697-1996 电子设备用机电开关 第5部分 按钮开关分规范 第一篇-空白详细规范.pdf

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