Takashi Koizumi

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Ichiharashi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for after-treating polyolefin powder
- Patent number 4,589,215
- Issue date May 20, 1986
- Chisso Corporation
- Masamitsu Iwasaki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL