Chiaki Yasumaru

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Tokushima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Blowing agent powder and process for producing the same
- Patent number 6,399,201
- Issue date Jun 4, 2002
- Otsuka Chemical Co., Ltd.
- Tsukasa Maekawa
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL