Items where Year is 1971
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Simpson, K. G. L. (1971) Investigation of spool-type solenoid operated hydraulic directional control valves. Masters thesis, Enfield College of Technology. [Thesis]
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Simpson, K. G. L. (1971) Investigation of spool-type solenoid operated hydraulic directional control valves. Masters thesis, Enfield College of Technology. [Thesis]