Toshimitsu Akiyama

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Tokyo, JA

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and process for preparing thermoplastic resin composition
- Patent number 4,025,274
- Issue date May 24, 1977
- Toyo Soda Manufacturing Co., Ltd.
- Masaru Uemura
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL