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Listings by 'skrok'

"Central rotor side seal in the compressor or vane pump" (1330 views)
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"Internal gear pump with toothed belt as a pumping element" (1309 views)
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"Piston pump without valves" (1030 views)
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The method of washing shoes in the washing machine (1057 views)
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Vane pump (1612 views)
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