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• Hoyt Electrical Instrument Works
  Frequency Meter; AC Repulsion; 3.5-in; 45-65 Hz Range; 240V; 2% Accur.; Stud Mnt
  品牌：Hoyt Electrical Instrument Works,规格：Supply Voltage 240 V,
  型号：5036-45-65HZ-240V
  仓库库存编号：70043478
  
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• Hoyt Electrical Instrument Works
  Frequency Meter; AC Repulsion; 2.75-in; 45-65Hz Range; 240V; 2% Accur.; Stud Mnt
  品牌：Hoyt Electrical Instrument Works,规格：Supply Voltage 240 V,
  型号：5026-45-65HZ-240V
  仓库库存编号：70043465
  
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• Hoyt Electrical Instrument Works
  Frequency Meter; 45-65 Hz Range; 240 V; Class 2.0 Accuracy; Stud Mount; 89x89 mm
  品牌：Hoyt Electrical Instrument Works,规格：Supply Voltage 240 V,
  型号：ST-90U-45-65HZ-240V
  仓库库存编号：70233008
  
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• Hoyt Electrical Instrument Works
  Frequency Meter; 45-65 Hz Range; 240 V; Class 2.0 Accuracy; Stud Mount; 69x69 mm
  品牌：Hoyt Electrical Instrument Works,规格：Supply Voltage 240 V,
  型号：ST-70U-45-65HZ-240V
  仓库库存编号：70232995
  
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