Syuhei Ohta

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Patents Grantslast 30 patents

Information Patent Grant
Method of molding an acoustic diaphragm part of para aromatic polya...
- Patent number 5,283,027
- Issue date Feb 1, 1994
- Kabushiki Kaisha Kenwood
- Yoshio Sakamoto
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL