Hiroshi Hazawa

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Kurashiki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for preventing color migration in colored moldings of polyo...
- Patent number 4,331,439
- Issue date May 25, 1982
- Asahi Kasei Kogyo Kabushiki Kaisha
- Minoru Hamada
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...