Minoru Murai

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Yawata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for retaining lubrication oil at sliding surface of shaft...
- Patent number 6,641,140
- Issue date Nov 4, 2003
- Tsurumi Manufacturing Co., Ltd.
- Satoshi Matsumoto
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...