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光线示波器振动子
Galvanometers for light beam oscillographs
价格：￥0.00
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光线示波器
Light-beam oscillographs
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测量用直流稳压电源装置
d.c. stabilized supply apparatus for measurement
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直流光电放大式检流计
d.c. photoelectric amplifier galvanometer
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直流电子放大式检流计
d.c. electronic amplifier galvanometer
价格：￥0.00
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精密仪器用开关
Switch for precise instrument
价格：￥0.00
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磁放大式电子交流稳压器
Stabilized voltage supply a.c. output, magnetic amplifier type
价格：￥0.00
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仪器仪表用电子电源变压器 通用技术条件
Generic specification of electronic power supply Transformers for use in instrument
价格：￥0.00
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霍尔效应磁强计
Hall effect magnetometers
价格：￥0.00
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测磁仪器基本系列
Basic system for magnetic measuring instruments
价格：￥0.00
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