Masaharu Shirai

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Otsu, JA

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Patents Grantslast 30 patents

Information Patent Grant
Fire retardant thermoplastic polyester type block copolymer composi...
- Patent number 3,957,905
- Issue date May 18, 1976
- Toyo Boseki Kabushiki Kaisha
- Misao Sumoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...