共 50 条
- [1] INDUSTRIAL ESPIONAGE JOURNAL OF THE OIL & COLOUR CHEMISTS ASSOCIATION, 1970, 53 (12): : 1094 - &
- [8] PROBLEMS OF INDUSTRIAL ESPIONAGE MECHANIK MIESIECZNIK NAUKOWO-TECHNICZNY, 1978, 51 (02): : 85 - 87
- [10] TRANSDUCERS AND INDUSTRIAL ESPIONAGE JOURNAL OF THE AUDIO ENGINEERING SOCIETY, 1971, 19 (05): : 440 - &