Kishihiro Yamaoka

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Nakamiya-Kita, Hirakata, Osaka, JA

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Patents Grantslast 30 patents

Information Patent Grant
Continuous kneader
- Patent number 4,067,553
- Issue date Jan 10, 1978
- Kishihiro Yamaoka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL