Kouichi Ito

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Shiga, JP

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Patents Grantslast 30 patents

Information Patent Grant
Vacuum cleaner using centrifugal force dust collection to prevent f...
- Patent number 6,647,587
- Issue date Nov 18, 2003
- Matsushita Electric Industrial Co., Ltd.
- Naoyuki Ohara
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...