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by flow or relative flow media and / or by störströme on erosion and cavitation condition, moving and / or solid components of machines, such as of centrifugal pumps, turbines, od. etc., and devices
by flow or relative flow media and / or by störströme on erosion and cavitation condition, moving and / or solid components of machines, such as of centrifugal pumps, turbines, od. etc., and devices
