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Terms for subject Electronics containing northern | all forms | exact matches only
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Bell Northern Research Laboratories贝尔北方研究所加拿大
northern area communications system北方地区通信系统
northern hemispheric exchange center北半球交换中心
Northern Radio Company北方无线电公司美国
Northern Telecom Ltd.北方电信有限公司加拿大
Northern Telecom System Corp.北方电信系统公司
Northern Telecommunications Corp.北方电信公司加拿大
the Northern California Chapter of the American Vacuum Society美国真空学会北加利福尼亚分会