Hiroyuki Utsumi

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Chiba, JP

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Patents Applicationslast 30 patents

Information Patent Application
Process for producing flexible polyurethane foam and apparatus for...
- Publication number 20030171445
- Publication date Sep 11, 2003
- Masahiro Isobe
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL