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About this episode
Mar 12, 2007
08:15
This Wolfhart Principle from 1985 is a rigid vane displacement principle having 3 massive vanes rotating in a slanted groove axial sealed by 3 seali...
This Wolfhart Principle from 1985 is a rigid vane displacement principle having 3 massive vanes rotating in a slanted groove axial sealed by 3 sealing parts. Oil-free pumps and compressors has been build by the inventor. It belongs today to the forbidden inventions. www.Wolfhart.us
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