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石英卤钨灯夹封部位温度的标准测量方法
Standard method of measuring the pinch temperature of quartz-tungsten-halogen lamps
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飞机灯泡
Aircraft bulbs
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螺口式灯座的型式和尺寸
Types and dimensions of screw lamp holders
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插口式灯座的检验量规
Inspection gauge for bayonet lamp holders
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紫外线高压汞灯管 紫外辐照度及电参数测量方法
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高压钠灯泡光电参数的测量方法
Methods of measurement for the photometric and electrical parameters of high pressure sodium bulbs
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