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螺口式灯座的型式和尺寸
Types and dimensions of screw lamp holders
价格:¥0.00
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插口式灯座的检验量规
Inspection gauge for bayonet lamp holders
价格:¥0.00
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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
价格:¥0.00
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荧光高压汞灯泡光电参数测量方法
Measurement method of photoelectric parameters of fluorescent high pressure mercury lamp
价格:¥0.00
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荧光高压汞灯泡
Fluorescent high-pressure mercury lamp
价格:¥0.00
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普通照明光源生产能耗定额
Grading of energy consumption of production process of general lighting sources
价格:¥0.00
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螺口式灯座的量规
Inspection gauge for screw lamp holders
价格:¥0.00
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中小型水轮机通流部件铸钢件
Steel castings for water passage components of small and medium sized hydraulic turbines
价格:¥0.00
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