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A General Survey of Industrial Espionage
The Parent ArtIntelligence
23 other sections not shown
able according activity adviser agents alarm apparently become British called carried communications communist concerned considerable course crime criminal defence detection devices director documents doubt East German economic effective employed employees equipment evidence example executive fact firm force function give given guards important increase industrial espionage intelligence interest intruder keep kind known live lock major matter means methods military nature necessary obtain operation organisation particular person physical plans police political position possible prevent principle probably problem protection reason records regard relations responsibility result risk safe secret society staff subversive successful taken technical threat tion trade Union United usually whole