00604nam a22000857a 4500020001500000245017400015260005200189300001000241650026700251  a0580213978  aBS 5944-6:1992-Measurement of airborne noise from hydraulic fluid power systems and components Part 6 :bMethod of test for pumps using a parallelepiped microphone array  aLondon :bBritish Standards Institution,c1992.  a14 p.  aPumps, Hydraulic transmission systems, Hydraulic equipment, Noise (environmental), Sound intensity, Acoustic measurement, Measurement characteristics, Acoustic testing, Test equipment, Errors, Standard deviation, Environment (working), Position, Grades (quality)