Harukazu Matsuyama

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Takahama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for making a filter from a material for a filter element
- Patent number 4,747,816
- Issue date May 31, 1988
- Nippondenso Co., Ltd.
- Harukazu Matsuyama
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD