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Tadao Nakamura
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Aikawa, JP
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last 30 patents
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Patent Grant
Lobed-rotor-type pump having a communication passage between workin...
Patent number
6,106,250
Issue date
Aug 22, 2000
Unisia Jecs Corporation
Shoji Morita
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...