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                | 2.  | 
                
                  
                  Sub Sea Sonics
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                  Underwater acoustic releases and underwater timed releases for shallow water operation and underwater acoustic beacons for tracking or relocating underwater acoustic beacons .
                   
                  
                  
                   
                  
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                | 3.  | 
                
                  
                  M+P International
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                  Specialists in UNIX and PC based shaker controllers for environmental vibration testing, acquisition, analysis and reporting with worldwide sales and support offices.
                   
                  
                  
                   
                  
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                | 4.  | 
                
                  
                  Diagnostic Instruments
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                  Design and manufactures a range of noise and vibration analysers for industrial machine monitoring and manufacturing quality applications. United Kingdom.
                   
                  
                  
                   
                  
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                | 5.  | 
                
                  
                  LMS International
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                  Provide systems, software, measurement hardware and consulting for structural dynamics, acoustics and durability engineering. Belgium.
                   
                  
                  
                   
                  
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